Home / 76,677.48-114,863.06-60,909.21

Finding the Fourth Proportional to 76,677.48, 114,863.06 and 60,909.21

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Solution

The fourth proportional to 76,677.48, 114,863.06 and 60,909.21 is: 91,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,677.48 : 114,863.06 = 60,909.21 : x
  2. Step 2: Convert to fraction form
    76,677.48/114,863.06 = 60,909.21/x
  3. Step 3: Cross multiply
    76,677.48x = 114,863.06 × 60,909.21
  4. Step 4: Simplify right side
    76,677.48x = 6,996,218,395.06
  5. Step 5: Solve for x
    x = 6,996,218,395.06/76,677.48
  6. Step 6: Final answer
    x = 91,242.15

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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.