Home / 82,920.15-124,380.23-27,508.95

Finding the Fourth Proportional to 82,920.15, 124,380.23 and 27,508.95

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Solution

The fourth proportional to 82,920.15, 124,380.23 and 27,508.95 is: 41,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920.15 : 124,380.23 = 27,508.95 : x
  2. Step 2: Convert to fraction form
    82,920.15/124,380.23 = 27,508.95/x
  3. Step 3: Cross multiply
    82,920.15x = 124,380.23 × 27,508.95
  4. Step 4: Simplify right side
    82,920.15x = 3,421,569,390.51
  5. Step 5: Solve for x
    x = 3,421,569,390.51/82,920.15
  6. Step 6: Final answer
    x = 41,263.43

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1.5x scale

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.