Home / 83,440.26-115,158.54-47,622.06

Finding the Fourth Proportional to 83,440.26, 115,158.54 and 47,622.06

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Solution

The fourth proportional to 83,440.26, 115,158.54 and 47,622.06 is: 65,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,440.26 : 115,158.54 = 47,622.06 : x
  2. Step 2: Convert to fraction form
    83,440.26/115,158.54 = 47,622.06/x
  3. Step 3: Cross multiply
    83,440.26x = 115,158.54 × 47,622.06
  4. Step 4: Simplify right side
    83,440.26x = 5,484,086,901.39
  5. Step 5: Solve for x
    x = 5,484,086,901.39/83,440.26
  6. Step 6: Final answer
    x = 65,724.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.