Home / 125,835.01-173,647.17-72,082.66

Finding the Fourth Proportional to 125,835.01, 173,647.17 and 72,082.66

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Solution

The fourth proportional to 125,835.01, 173,647.17 and 72,082.66 is: 99,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,835.01 : 173,647.17 = 72,082.66 : x
  2. Step 2: Convert to fraction form
    125,835.01/173,647.17 = 72,082.66/x
  3. Step 3: Cross multiply
    125,835.01x = 173,647.17 × 72,082.66
  4. Step 4: Simplify right side
    125,835.01x = 12,516,949,915.07
  5. Step 5: Solve for x
    x = 12,516,949,915.07/125,835.01
  6. Step 6: Final answer
    x = 99,471.12

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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.