Home / 77,131.66-115,655.96-41,612.04

Finding the Fourth Proportional to 77,131.66, 115,655.96 and 41,612.04

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Solution

The fourth proportional to 77,131.66, 115,655.96 and 41,612.04 is: 62,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,131.66 : 115,655.96 = 41,612.04 : x
  2. Step 2: Convert to fraction form
    77,131.66/115,655.96 = 41,612.04/x
  3. Step 3: Cross multiply
    77,131.66x = 115,655.96 × 41,612.04
  4. Step 4: Simplify right side
    77,131.66x = 4,812,680,433.76
  5. Step 5: Solve for x
    x = 4,812,680,433.76/77,131.66
  6. Step 6: Final answer
    x = 62,395.65

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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.