Home / 97,180.04-134,142-56,906.75

Finding the Fourth Proportional to 97,180.04, 134,142 and 56,906.75

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Solution

The fourth proportional to 97,180.04, 134,142 and 56,906.75 is: 78,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,180.04 : 134,142 = 56,906.75 : x
  2. Step 2: Convert to fraction form
    97,180.04/134,142 = 56,906.75/x
  3. Step 3: Cross multiply
    97,180.04x = 134,142 × 56,906.75
  4. Step 4: Simplify right side
    97,180.04x = 7,633,585,258.50
  5. Step 5: Solve for x
    x = 7,633,585,258.50/97,180.04
  6. Step 6: Final answer
    x = 78,550.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.