Home / 125,691.18-173,454.48-69,106.20

Finding the Fourth Proportional to 125,691.18, 173,454.48 and 69,106.20

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Solution

The fourth proportional to 125,691.18, 173,454.48 and 69,106.20 is: 95,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,691.18 : 173,454.48 = 69,106.20 : x
  2. Step 2: Convert to fraction form
    125,691.18/173,454.48 = 69,106.20/x
  3. Step 3: Cross multiply
    125,691.18x = 173,454.48 × 69,106.20
  4. Step 4: Simplify right side
    125,691.18x = 11,986,779,985.78
  5. Step 5: Solve for x
    x = 11,986,779,985.78/125,691.18
  6. Step 6: Final answer
    x = 95,366.91

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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.