Home / 98,752.83-136,193.18-68,588.43

Finding the Fourth Proportional to 98,752.83, 136,193.18 and 68,588.43

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Solution

The fourth proportional to 98,752.83, 136,193.18 and 68,588.43 is: 94,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,752.83 : 136,193.18 = 68,588.43 : x
  2. Step 2: Convert to fraction form
    98,752.83/136,193.18 = 68,588.43/x
  3. Step 3: Cross multiply
    98,752.83x = 136,193.18 × 68,588.43
  4. Step 4: Simplify right side
    98,752.83x = 9,341,276,049.97
  5. Step 5: Solve for x
    x = 9,341,276,049.97/98,752.83
  6. Step 6: Final answer
    x = 94,592.49

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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.