Home / 125,649.38-173,397.48-68,288.70

Finding the Fourth Proportional to 125,649.38, 173,397.48 and 68,288.70

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Solution

The fourth proportional to 125,649.38, 173,397.48 and 68,288.70 is: 94,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.38 : 173,397.48 = 68,288.70 : x
  2. Step 2: Convert to fraction form
    125,649.38/173,397.48 = 68,288.70/x
  3. Step 3: Cross multiply
    125,649.38x = 173,397.48 × 68,288.70
  4. Step 4: Simplify right side
    125,649.38x = 11,841,088,492.48
  5. Step 5: Solve for x
    x = 11,841,088,492.48/125,649.38
  6. Step 6: Final answer
    x = 94,239.13

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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.