Home / 76,470.66-114,521.42-45,988.13

Finding the Fourth Proportional to 76,470.66, 114,521.42 and 45,988.13

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Solution

The fourth proportional to 76,470.66, 114,521.42 and 45,988.13 is: 68,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,470.66 : 114,521.42 = 45,988.13 : x
  2. Step 2: Convert to fraction form
    76,470.66/114,521.42 = 45,988.13/x
  3. Step 3: Cross multiply
    76,470.66x = 114,521.42 × 45,988.13
  4. Step 4: Simplify right side
    76,470.66x = 5,266,625,900.59
  5. Step 5: Solve for x
    x = 5,266,625,900.59/76,470.66
  6. Step 6: Final answer
    x = 68,871.20

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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.