Home / 86,691.22-130,025.04-23,515.40

Finding the Fourth Proportional to 86,691.22, 130,025.04 and 23,515.40

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Solution

The fourth proportional to 86,691.22, 130,025.04 and 23,515.40 is: 35,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,691.22 : 130,025.04 = 23,515.40 : x
  2. Step 2: Convert to fraction form
    86,691.22/130,025.04 = 23,515.40/x
  3. Step 3: Cross multiply
    86,691.22x = 130,025.04 × 23,515.40
  4. Step 4: Simplify right side
    86,691.22x = 3,057,591,062.50
  5. Step 5: Solve for x
    x = 3,057,591,062.50/86,691.22
  6. Step 6: Final answer
    x = 35,269.91

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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.