Home / 98,862.04-136,429.14-54,150.04

Finding the Fourth Proportional to 98,862.04, 136,429.14 and 54,150.04

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Solution

The fourth proportional to 98,862.04, 136,429.14 and 54,150.04 is: 74,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,862.04 : 136,429.14 = 54,150.04 : x
  2. Step 2: Convert to fraction form
    98,862.04/136,429.14 = 54,150.04/x
  3. Step 3: Cross multiply
    98,862.04x = 136,429.14 × 54,150.04
  4. Step 4: Simplify right side
    98,862.04x = 7,387,643,388.17
  5. Step 5: Solve for x
    x = 7,387,643,388.17/98,862.04
  6. Step 6: Final answer
    x = 74,726.79

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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.