Home / 125,761.12-173,553.12-69,175.36

Finding the Fourth Proportional to 125,761.12, 173,553.12 and 69,175.36

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Solution

The fourth proportional to 125,761.12, 173,553.12 and 69,175.36 is: 95,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,761.12 : 173,553.12 = 69,175.36 : x
  2. Step 2: Convert to fraction form
    125,761.12/173,553.12 = 69,175.36/x
  3. Step 3: Cross multiply
    125,761.12x = 173,553.12 × 69,175.36
  4. Step 4: Simplify right side
    125,761.12x = 12,005,599,555.12
  5. Step 5: Solve for x
    x = 12,005,599,555.12/125,761.12
  6. Step 6: Final answer
    x = 95,463.52

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1.5x scale

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.