Home / 125,492.47-173,179.82-68,131.80

Finding the Fourth Proportional to 125,492.47, 173,179.82 and 68,131.80

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Solution

The fourth proportional to 125,492.47, 173,179.82 and 68,131.80 is: 94,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,492.47 : 173,179.82 = 68,131.80 : x
  2. Step 2: Convert to fraction form
    125,492.47/173,179.82 = 68,131.80/x
  3. Step 3: Cross multiply
    125,492.47x = 173,179.82 × 68,131.80
  4. Step 4: Simplify right side
    125,492.47x = 11,799,053,030.61
  5. Step 5: Solve for x
    x = 11,799,053,030.61/125,492.47
  6. Step 6: Final answer
    x = 94,022.00

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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.