Home / 98,867.88-136,440.17-60,648.50

Finding the Fourth Proportional to 98,867.88, 136,440.17 and 60,648.50

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Solution

The fourth proportional to 98,867.88, 136,440.17 and 60,648.50 is: 83,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,867.88 : 136,440.17 = 60,648.50 : x
  2. Step 2: Convert to fraction form
    98,867.88/136,440.17 = 60,648.50/x
  3. Step 3: Cross multiply
    98,867.88x = 136,440.17 × 60,648.50
  4. Step 4: Simplify right side
    98,867.88x = 8,274,891,915.53
  5. Step 5: Solve for x
    x = 8,274,891,915.53/98,867.88
  6. Step 6: Final answer
    x = 83,696.46

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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.