Home / 98,627.28-136,067.40-62,810.88

Finding the Fourth Proportional to 98,627.28, 136,067.40 and 62,810.88

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Solution

The fourth proportional to 98,627.28, 136,067.40 and 62,810.88 is: 86,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,627.28 : 136,067.40 = 62,810.88 : x
  2. Step 2: Convert to fraction form
    98,627.28/136,067.40 = 62,810.88/x
  3. Step 3: Cross multiply
    98,627.28x = 136,067.40 × 62,810.88
  4. Step 4: Simplify right side
    98,627.28x = 8,546,513,133.31
  5. Step 5: Solve for x
    x = 8,546,513,133.31/98,627.28
  6. Step 6: Final answer
    x = 86,654.66

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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.