Home / 125,487.24-173,172.66-68,902.20

Finding the Fourth Proportional to 125,487.24, 173,172.66 and 68,902.20

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Solution

The fourth proportional to 125,487.24, 173,172.66 and 68,902.20 is: 95,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,487.24 : 173,172.66 = 68,902.20 : x
  2. Step 2: Convert to fraction form
    125,487.24/173,172.66 = 68,902.20/x
  3. Step 3: Cross multiply
    125,487.24x = 173,172.66 × 68,902.20
  4. Step 4: Simplify right side
    125,487.24x = 11,931,977,253.85
  5. Step 5: Solve for x
    x = 11,931,977,253.85/125,487.24
  6. Step 6: Final answer
    x = 95,085.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.