Home / 91,779.13-137,669.17-41,825.32

Finding the Fourth Proportional to 91,779.13, 137,669.17 and 41,825.32

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Solution

The fourth proportional to 91,779.13, 137,669.17 and 41,825.32 is: 62,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,779.13 : 137,669.17 = 41,825.32 : x
  2. Step 2: Convert to fraction form
    91,779.13/137,669.17 = 41,825.32/x
  3. Step 3: Cross multiply
    91,779.13x = 137,669.17 × 41,825.32
  4. Step 4: Simplify right side
    91,779.13x = 5,758,057,089.38
  5. Step 5: Solve for x
    x = 5,758,057,089.38/91,779.13
  6. Step 6: Final answer
    x = 62,738.20

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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.