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Finding the Fourth Proportional to 66,168.40, 99,223.86 and 24,034.48

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Solution

The fourth proportional to 66,168.40, 99,223.86 and 24,034.48 is: 36,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168.40 : 99,223.86 = 24,034.48 : x
  2. Step 2: Convert to fraction form
    66,168.40/99,223.86 = 24,034.48/x
  3. Step 3: Cross multiply
    66,168.40x = 99,223.86 × 24,034.48
  4. Step 4: Simplify right side
    66,168.40x = 2,384,793,878.69
  5. Step 5: Solve for x
    x = 2,384,793,878.69/66,168.40
  6. Step 6: Final answer
    x = 36,041.28

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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.