Home / 72,251.13-99,801.87-55,462.83

Finding the Fourth Proportional to 72,251.13, 99,801.87 and 55,462.83

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Solution

The fourth proportional to 72,251.13, 99,801.87 and 55,462.83 is: 76,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,251.13 : 99,801.87 = 55,462.83 : x
  2. Step 2: Convert to fraction form
    72,251.13/99,801.87 = 55,462.83/x
  3. Step 3: Cross multiply
    72,251.13x = 99,801.87 × 55,462.83
  4. Step 4: Simplify right side
    72,251.13x = 5,535,294,159.81
  5. Step 5: Solve for x
    x = 5,535,294,159.81/72,251.13
  6. Step 6: Final answer
    x = 76,611.87

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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.