Home / 82,712.16-124,049.40-23,546.52

Finding the Fourth Proportional to 82,712.16, 124,049.40 and 23,546.52

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Solution

The fourth proportional to 82,712.16, 124,049.40 and 23,546.52 is: 35,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,712.16 : 124,049.40 = 23,546.52 : x
  2. Step 2: Convert to fraction form
    82,712.16/124,049.40 = 23,546.52/x
  3. Step 3: Cross multiply
    82,712.16x = 124,049.40 × 23,546.52
  4. Step 4: Simplify right side
    82,712.16x = 2,920,931,678.09
  5. Step 5: Solve for x
    x = 2,920,931,678.09/82,712.16
  6. Step 6: Final answer
    x = 35,314.42

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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.