Home / 81,373.43-122,071.69-25,217.95

Finding the Fourth Proportional to 81,373.43, 122,071.69 and 25,217.95

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Solution

The fourth proportional to 81,373.43, 122,071.69 and 25,217.95 is: 37,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,373.43 : 122,071.69 = 25,217.95 : x
  2. Step 2: Convert to fraction form
    81,373.43/122,071.69 = 25,217.95/x
  3. Step 3: Cross multiply
    81,373.43x = 122,071.69 × 25,217.95
  4. Step 4: Simplify right side
    81,373.43x = 3,078,397,730.06
  5. Step 5: Solve for x
    x = 3,078,397,730.06/81,373.43
  6. Step 6: Final answer
    x = 37,830.50

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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.