Home / 125,977.29-173,849.13-69,388.53

Finding the Fourth Proportional to 125,977.29, 173,849.13 and 69,388.53

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Solution

The fourth proportional to 125,977.29, 173,849.13 and 69,388.53 is: 95,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.29 : 173,849.13 = 69,388.53 : x
  2. Step 2: Convert to fraction form
    125,977.29/173,849.13 = 69,388.53/x
  3. Step 3: Cross multiply
    125,977.29x = 173,849.13 × 69,388.53
  4. Step 4: Simplify right side
    125,977.29x = 12,063,135,572.48
  5. Step 5: Solve for x
    x = 12,063,135,572.48/125,977.29
  6. Step 6: Final answer
    x = 95,756.43

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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.