Home / 82,748.12-124,126.14-23,587.88

Finding the Fourth Proportional to 82,748.12, 124,126.14 and 23,587.88

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Solution

The fourth proportional to 82,748.12, 124,126.14 and 23,587.88 is: 35,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,748.12 : 124,126.14 = 23,587.88 : x
  2. Step 2: Convert to fraction form
    82,748.12/124,126.14 = 23,587.88/x
  3. Step 3: Cross multiply
    82,748.12x = 124,126.14 × 23,587.88
  4. Step 4: Simplify right side
    82,748.12x = 2,927,872,495.18
  5. Step 5: Solve for x
    x = 2,927,872,495.18/82,748.12
  6. Step 6: Final answer
    x = 35,382.95

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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.