Home / 86,882.64-130,334.69-30,711.17

Finding the Fourth Proportional to 86,882.64, 130,334.69 and 30,711.17

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Solution

The fourth proportional to 86,882.64, 130,334.69 and 30,711.17 is: 46,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,882.64 : 130,334.69 = 30,711.17 : x
  2. Step 2: Convert to fraction form
    86,882.64/130,334.69 = 30,711.17/x
  3. Step 3: Cross multiply
    86,882.64x = 130,334.69 × 30,711.17
  4. Step 4: Simplify right side
    86,882.64x = 4,002,730,821.49
  5. Step 5: Solve for x
    x = 4,002,730,821.49/86,882.64
  6. Step 6: Final answer
    x = 46,070.55

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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.