Home / 70,320.53-97,042.16-38,489.15

Finding the Fourth Proportional to 70,320.53, 97,042.16 and 38,489.15

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Solution

The fourth proportional to 70,320.53, 97,042.16 and 38,489.15 is: 53,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.53 : 97,042.16 = 38,489.15 : x
  2. Step 2: Convert to fraction form
    70,320.53/97,042.16 = 38,489.15/x
  3. Step 3: Cross multiply
    70,320.53x = 97,042.16 × 38,489.15
  4. Step 4: Simplify right side
    70,320.53x = 3,735,069,863.58
  5. Step 5: Solve for x
    x = 3,735,069,863.58/70,320.53
  6. Step 6: Final answer
    x = 53,114.93

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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.