Home / 52,559.26-78,726.80-42,520.93

Finding the Fourth Proportional to 52,559.26, 78,726.80 and 42,520.93

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Solution

The fourth proportional to 52,559.26, 78,726.80 and 42,520.93 is: 63,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,559.26 : 78,726.80 = 42,520.93 : x
  2. Step 2: Convert to fraction form
    52,559.26/78,726.80 = 42,520.93/x
  3. Step 3: Cross multiply
    52,559.26x = 78,726.80 × 42,520.93
  4. Step 4: Simplify right side
    52,559.26x = 3,347,536,751.92
  5. Step 5: Solve for x
    x = 3,347,536,751.92/52,559.26
  6. Step 6: Final answer
    x = 63,690.71

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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.