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Finding the Fourth Proportional to 79,503.57, 119,253.66 and 23,342.43

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Solution

The fourth proportional to 79,503.57, 119,253.66 and 23,342.43 is: 35,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,503.57 : 119,253.66 = 23,342.43 : x
  2. Step 2: Convert to fraction form
    79,503.57/119,253.66 = 23,342.43/x
  3. Step 3: Cross multiply
    79,503.57x = 119,253.66 × 23,342.43
  4. Step 4: Simplify right side
    79,503.57x = 2,783,670,210.79
  5. Step 5: Solve for x
    x = 2,783,670,210.79/79,503.57
  6. Step 6: Final answer
    x = 35,013.15

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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.