Home / 52,557.26-78,723.80-42,518.93

Finding the Fourth Proportional to 52,557.26, 78,723.80 and 42,518.93

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Solution

The fourth proportional to 52,557.26, 78,723.80 and 42,518.93 is: 63,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,557.26 : 78,723.80 = 42,518.93 : x
  2. Step 2: Convert to fraction form
    52,557.26/78,723.80 = 42,518.93/x
  3. Step 3: Cross multiply
    52,557.26x = 78,723.80 × 42,518.93
  4. Step 4: Simplify right side
    52,557.26x = 3,347,251,294.77
  5. Step 5: Solve for x
    x = 3,347,251,294.77/52,557.26
  6. Step 6: Final answer
    x = 63,687.71

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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.