Home / 71,918.16-99,235.20-41,691.10

Finding the Fourth Proportional to 71,918.16, 99,235.20 and 41,691.10

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Solution

The fourth proportional to 71,918.16, 99,235.20 and 41,691.10 is: 57,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,918.16 : 99,235.20 = 41,691.10 : x
  2. Step 2: Convert to fraction form
    71,918.16/99,235.20 = 41,691.10/x
  3. Step 3: Cross multiply
    71,918.16x = 99,235.20 × 41,691.10
  4. Step 4: Simplify right side
    71,918.16x = 4,137,224,646.72
  5. Step 5: Solve for x
    x = 4,137,224,646.72/71,918.16
  6. Step 6: Final answer
    x = 57,526.84

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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.