Home / 73,397.20-101,288.65-39,863.20

Finding the Fourth Proportional to 73,397.20, 101,288.65 and 39,863.20

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Solution

The fourth proportional to 73,397.20, 101,288.65 and 39,863.20 is: 55,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,397.20 : 101,288.65 = 39,863.20 : x
  2. Step 2: Convert to fraction form
    73,397.20/101,288.65 = 39,863.20/x
  3. Step 3: Cross multiply
    73,397.20x = 101,288.65 × 39,863.20
  4. Step 4: Simplify right side
    73,397.20x = 4,037,689,106.58
  5. Step 5: Solve for x
    x = 4,037,689,106.58/73,397.20
  6. Step 6: Final answer
    x = 55,011.49

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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.