Home / 97,109.32-145,592.70-40,947.16

Finding the Fourth Proportional to 97,109.32, 145,592.70 and 40,947.16

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Solution

The fourth proportional to 97,109.32, 145,592.70 and 40,947.16 is: 61,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,109.32 : 145,592.70 = 40,947.16 : x
  2. Step 2: Convert to fraction form
    97,109.32/145,592.70 = 40,947.16/x
  3. Step 3: Cross multiply
    97,109.32x = 145,592.70 × 40,947.16
  4. Step 4: Simplify right side
    97,109.32x = 5,961,607,581.73
  5. Step 5: Solve for x
    x = 5,961,607,581.73/97,109.32
  6. Step 6: Final answer
    x = 61,390.68

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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.