Home / 86,115.28-129,052.63-41,730.25

Finding the Fourth Proportional to 86,115.28, 129,052.63 and 41,730.25

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Solution

The fourth proportional to 86,115.28, 129,052.63 and 41,730.25 is: 62,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,115.28 : 129,052.63 = 41,730.25 : x
  2. Step 2: Convert to fraction form
    86,115.28/129,052.63 = 41,730.25/x
  3. Step 3: Cross multiply
    86,115.28x = 129,052.63 × 41,730.25
  4. Step 4: Simplify right side
    86,115.28x = 5,385,398,513.06
  5. Step 5: Solve for x
    x = 5,385,398,513.06/86,115.28
  6. Step 6: Final answer
    x = 62,537.08

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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.