Home / 86,480.10-129,724.03-26,504.18

Finding the Fourth Proportional to 86,480.10, 129,724.03 and 26,504.18

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Solution

The fourth proportional to 86,480.10, 129,724.03 and 26,504.18 is: 39,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,480.10 : 129,724.03 = 26,504.18 : x
  2. Step 2: Convert to fraction form
    86,480.10/129,724.03 = 26,504.18/x
  3. Step 3: Cross multiply
    86,480.10x = 129,724.03 × 26,504.18
  4. Step 4: Simplify right side
    86,480.10x = 3,438,229,041.45
  5. Step 5: Solve for x
    x = 3,438,229,041.45/86,480.10
  6. Step 6: Final answer
    x = 39,757.46

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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.