Home / 71,130.14-98,116.21-45,627.92

Finding the Fourth Proportional to 71,130.14, 98,116.21 and 45,627.92

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Solution

The fourth proportional to 71,130.14, 98,116.21 and 45,627.92 is: 62,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,130.14 : 98,116.21 = 45,627.92 : x
  2. Step 2: Convert to fraction form
    71,130.14/98,116.21 = 45,627.92/x
  3. Step 3: Cross multiply
    71,130.14x = 98,116.21 × 45,627.92
  4. Step 4: Simplify right side
    71,130.14x = 4,476,838,580.58
  5. Step 5: Solve for x
    x = 4,476,838,580.58/71,130.14
  6. Step 6: Final answer
    x = 62,938.70

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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.