Home / 86,564.22-129,844.95-44,419.97

Finding the Fourth Proportional to 86,564.22, 129,844.95 and 44,419.97

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Solution

The fourth proportional to 86,564.22, 129,844.95 and 44,419.97 is: 66,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,564.22 : 129,844.95 = 44,419.97 : x
  2. Step 2: Convert to fraction form
    86,564.22/129,844.95 = 44,419.97/x
  3. Step 3: Cross multiply
    86,564.22x = 129,844.95 × 44,419.97
  4. Step 4: Simplify right side
    86,564.22x = 5,767,708,134.43
  5. Step 5: Solve for x
    x = 5,767,708,134.43/86,564.22
  6. Step 6: Final answer
    x = 66,629.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.