Home / 124,437.90-171,723.87-67,849.29

Finding the Fourth Proportional to 124,437.90, 171,723.87 and 67,849.29

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Solution

The fourth proportional to 124,437.90, 171,723.87 and 67,849.29 is: 93,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,437.90 : 171,723.87 = 67,849.29 : x
  2. Step 2: Convert to fraction form
    124,437.90/171,723.87 = 67,849.29/x
  3. Step 3: Cross multiply
    124,437.90x = 171,723.87 × 67,849.29
  4. Step 4: Simplify right side
    124,437.90x = 11,651,342,655.55
  5. Step 5: Solve for x
    x = 11,651,342,655.55/124,437.90
  6. Step 6: Final answer
    x = 93,631.78

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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.