Home / 80,823.24-121,157.10-41,398.92

Finding the Fourth Proportional to 80,823.24, 121,157.10 and 41,398.92

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Solution

The fourth proportional to 80,823.24, 121,157.10 and 41,398.92 is: 62,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,823.24 : 121,157.10 = 41,398.92 : x
  2. Step 2: Convert to fraction form
    80,823.24/121,157.10 = 41,398.92/x
  3. Step 3: Cross multiply
    80,823.24x = 121,157.10 × 41,398.92
  4. Step 4: Simplify right side
    80,823.24x = 5,015,773,090.33
  5. Step 5: Solve for x
    x = 5,015,773,090.33/80,823.24
  6. Step 6: Final answer
    x = 62,058.55

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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.