Home / 98,566.14-136,034.10-68,335.78

Finding the Fourth Proportional to 98,566.14, 136,034.10 and 68,335.78

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Solution

The fourth proportional to 98,566.14, 136,034.10 and 68,335.78 is: 94,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,566.14 : 136,034.10 = 68,335.78 : x
  2. Step 2: Convert to fraction form
    98,566.14/136,034.10 = 68,335.78/x
  3. Step 3: Cross multiply
    98,566.14x = 136,034.10 × 68,335.78
  4. Step 4: Simplify right side
    98,566.14x = 9,295,996,330.10
  5. Step 5: Solve for x
    x = 9,295,996,330.10/98,566.14
  6. Step 6: Final answer
    x = 94,312.27

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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.