Home / 75,690.32-104,444.68-43,869.20

Finding the Fourth Proportional to 75,690.32, 104,444.68 and 43,869.20

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Solution

The fourth proportional to 75,690.32, 104,444.68 and 43,869.20 is: 60,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,690.32 : 104,444.68 = 43,869.20 : x
  2. Step 2: Convert to fraction form
    75,690.32/104,444.68 = 43,869.20/x
  3. Step 3: Cross multiply
    75,690.32x = 104,444.68 × 43,869.20
  4. Step 4: Simplify right side
    75,690.32x = 4,581,904,555.86
  5. Step 5: Solve for x
    x = 4,581,904,555.86/75,690.32
  6. Step 6: Final answer
    x = 60,534.88

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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.