Home / 82,568.88-124,152.12-76,073.40

Finding the Fourth Proportional to 82,568.88, 124,152.12 and 76,073.40

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Solution

The fourth proportional to 82,568.88, 124,152.12 and 76,073.40 is: 114,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,568.88 : 124,152.12 = 76,073.40 : x
  2. Step 2: Convert to fraction form
    82,568.88/124,152.12 = 76,073.40/x
  3. Step 3: Cross multiply
    82,568.88x = 124,152.12 × 76,073.40
  4. Step 4: Simplify right side
    82,568.88x = 9,444,673,885.61
  5. Step 5: Solve for x
    x = 9,444,673,885.61/82,568.88
  6. Step 6: Final answer
    x = 114,385.39

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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.