Home / 96,315.50-132,915.39-62,781.50

Finding the Fourth Proportional to 96,315.50, 132,915.39 and 62,781.50

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Solution

The fourth proportional to 96,315.50, 132,915.39 and 62,781.50 is: 86,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,315.50 : 132,915.39 = 62,781.50 : x
  2. Step 2: Convert to fraction form
    96,315.50/132,915.39 = 62,781.50/x
  3. Step 3: Cross multiply
    96,315.50x = 132,915.39 × 62,781.50
  4. Step 4: Simplify right side
    96,315.50x = 8,344,627,557.29
  5. Step 5: Solve for x
    x = 8,344,627,557.29/96,315.50
  6. Step 6: Final answer
    x = 86,638.47

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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.