Home / 63,135.55-87,126.99-40,474.52

Finding the Fourth Proportional to 63,135.55, 87,126.99 and 40,474.52

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Solution

The fourth proportional to 63,135.55, 87,126.99 and 40,474.52 is: 55,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.55 : 87,126.99 = 40,474.52 : x
  2. Step 2: Convert to fraction form
    63,135.55/87,126.99 = 40,474.52/x
  3. Step 3: Cross multiply
    63,135.55x = 87,126.99 × 40,474.52
  4. Step 4: Simplify right side
    63,135.55x = 3,526,422,663.66
  5. Step 5: Solve for x
    x = 3,526,422,663.66/63,135.55
  6. Step 6: Final answer
    x = 55,854.79

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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.