Home / 125,761.66-173,549.35-68,399.74

Finding the Fourth Proportional to 125,761.66, 173,549.35 and 68,399.74

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Solution

The fourth proportional to 125,761.66, 173,549.35 and 68,399.74 is: 94,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,761.66 : 173,549.35 = 68,399.74 : x
  2. Step 2: Convert to fraction form
    125,761.66/173,549.35 = 68,399.74/x
  3. Step 3: Cross multiply
    125,761.66x = 173,549.35 × 68,399.74
  4. Step 4: Simplify right side
    125,761.66x = 11,870,730,719.61
  5. Step 5: Solve for x
    x = 11,870,730,719.61/125,761.66
  6. Step 6: Final answer
    x = 94,390.69

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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.