Home / 125,977.80-173,849.82-69,389.04

Finding the Fourth Proportional to 125,977.80, 173,849.82 and 69,389.04

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Solution

The fourth proportional to 125,977.80, 173,849.82 and 69,389.04 is: 95,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.80 : 173,849.82 = 69,389.04 : x
  2. Step 2: Convert to fraction form
    125,977.80/173,849.82 = 69,389.04/x
  3. Step 3: Cross multiply
    125,977.80x = 173,849.82 × 69,389.04
  4. Step 4: Simplify right side
    125,977.80x = 12,063,272,113.97
  5. Step 5: Solve for x
    x = 12,063,272,113.97/125,977.80
  6. Step 6: Final answer
    x = 95,757.13

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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.