Home / 97,105.04-145,657.56-30,551.12

Finding the Fourth Proportional to 97,105.04, 145,657.56 and 30,551.12

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Solution

The fourth proportional to 97,105.04, 145,657.56 and 30,551.12 is: 45,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,105.04 : 145,657.56 = 30,551.12 : x
  2. Step 2: Convert to fraction form
    97,105.04/145,657.56 = 30,551.12/x
  3. Step 3: Cross multiply
    97,105.04x = 145,657.56 × 30,551.12
  4. Step 4: Simplify right side
    97,105.04x = 4,450,001,594.47
  5. Step 5: Solve for x
    x = 4,450,001,594.47/97,105.04
  6. Step 6: Final answer
    x = 45,826.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.