Home / 91,686.24-137,529.36-32,519.52

Finding the Fourth Proportional to 91,686.24, 137,529.36 and 32,519.52

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Solution

The fourth proportional to 91,686.24, 137,529.36 and 32,519.52 is: 48,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,686.24 : 137,529.36 = 32,519.52 : x
  2. Step 2: Convert to fraction form
    91,686.24/137,529.36 = 32,519.52/x
  3. Step 3: Cross multiply
    91,686.24x = 137,529.36 × 32,519.52
  4. Step 4: Simplify right side
    91,686.24x = 4,472,388,773.11
  5. Step 5: Solve for x
    x = 4,472,388,773.11/91,686.24
  6. Step 6: Final answer
    x = 48,779.28

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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.