Home / 86,819.65-130,232.21-29,892.95

Finding the Fourth Proportional to 86,819.65, 130,232.21 and 29,892.95

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Solution

The fourth proportional to 86,819.65, 130,232.21 and 29,892.95 is: 44,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,819.65 : 130,232.21 = 29,892.95 : x
  2. Step 2: Convert to fraction form
    86,819.65/130,232.21 = 29,892.95/x
  3. Step 3: Cross multiply
    86,819.65x = 130,232.21 × 29,892.95
  4. Step 4: Simplify right side
    86,819.65x = 3,893,024,629.66
  5. Step 5: Solve for x
    x = 3,893,024,629.66/86,819.65
  6. Step 6: Final answer
    x = 44,840.36

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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.