Home / 125,912.31-173,753.75-69,320.04

Finding the Fourth Proportional to 125,912.31, 173,753.75 and 69,320.04

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Solution

The fourth proportional to 125,912.31, 173,753.75 and 69,320.04 is: 95,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,912.31 : 173,753.75 = 69,320.04 : x
  2. Step 2: Convert to fraction form
    125,912.31/173,753.75 = 69,320.04/x
  3. Step 3: Cross multiply
    125,912.31x = 173,753.75 × 69,320.04
  4. Step 4: Simplify right side
    125,912.31x = 12,044,617,205.13
  5. Step 5: Solve for x
    x = 12,044,617,205.13/125,912.31
  6. Step 6: Final answer
    x = 95,658.77

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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.