Home / 74,310.52-102,516.24-42,467.80

Finding the Fourth Proportional to 74,310.52, 102,516.24 and 42,467.80

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Solution

The fourth proportional to 74,310.52, 102,516.24 and 42,467.80 is: 58,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310.52 : 102,516.24 = 42,467.80 : x
  2. Step 2: Convert to fraction form
    74,310.52/102,516.24 = 42,467.80/x
  3. Step 3: Cross multiply
    74,310.52x = 102,516.24 × 42,467.80
  4. Step 4: Simplify right side
    74,310.52x = 4,353,639,177.07
  5. Step 5: Solve for x
    x = 4,353,639,177.07/74,310.52
  6. Step 6: Final answer
    x = 58,587.12

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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.