Home / 68,531.40-94,521.15-58,987.53

Finding the Fourth Proportional to 68,531.40, 94,521.15 and 58,987.53

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Solution

The fourth proportional to 68,531.40, 94,521.15 and 58,987.53 is: 81,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,531.40 : 94,521.15 = 58,987.53 : x
  2. Step 2: Convert to fraction form
    68,531.40/94,521.15 = 58,987.53/x
  3. Step 3: Cross multiply
    68,531.40x = 94,521.15 × 58,987.53
  4. Step 4: Simplify right side
    68,531.40x = 5,575,569,171.26
  5. Step 5: Solve for x
    x = 5,575,569,171.26/68,531.40
  6. Step 6: Final answer
    x = 81,357.88

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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.