Home / 80,892.65-121,319.53-41,429.45

Finding the Fourth Proportional to 80,892.65, 121,319.53 and 41,429.45

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Solution

The fourth proportional to 80,892.65, 121,319.53 and 41,429.45 is: 62,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,892.65 : 121,319.53 = 41,429.45 : x
  2. Step 2: Convert to fraction form
    80,892.65/121,319.53 = 41,429.45/x
  3. Step 3: Cross multiply
    80,892.65x = 121,319.53 × 41,429.45
  4. Step 4: Simplify right side
    80,892.65x = 5,026,201,402.16
  5. Step 5: Solve for x
    x = 5,026,201,402.16/80,892.65
  6. Step 6: Final answer
    x = 62,134.22

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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.