Home / 72,337.03-99,818.65-40,499.17

Finding the Fourth Proportional to 72,337.03, 99,818.65 and 40,499.17

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Solution

The fourth proportional to 72,337.03, 99,818.65 and 40,499.17 is: 55,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.03 : 99,818.65 = 40,499.17 : x
  2. Step 2: Convert to fraction form
    72,337.03/99,818.65 = 40,499.17/x
  3. Step 3: Cross multiply
    72,337.03x = 99,818.65 × 40,499.17
  4. Step 4: Simplify right side
    72,337.03x = 4,042,572,475.52
  5. Step 5: Solve for x
    x = 4,042,572,475.52/72,337.03
  6. Step 6: Final answer
    x = 55,885.24

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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.