Home / 72,167.28-108,454.68-42,599.04

Finding the Fourth Proportional to 72,167.28, 108,454.68 and 42,599.04

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Solution

The fourth proportional to 72,167.28, 108,454.68 and 42,599.04 is: 64,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,167.28 : 108,454.68 = 42,599.04 : x
  2. Step 2: Convert to fraction form
    72,167.28/108,454.68 = 42,599.04/x
  3. Step 3: Cross multiply
    72,167.28x = 108,454.68 × 42,599.04
  4. Step 4: Simplify right side
    72,167.28x = 4,620,065,251.51
  5. Step 5: Solve for x
    x = 4,620,065,251.51/72,167.28
  6. Step 6: Final answer
    x = 64,018.84

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1.5x scale

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.