Home / 82,795.85-124,248.17-45,382.39

Finding the Fourth Proportional to 82,795.85, 124,248.17 and 45,382.39

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Solution

The fourth proportional to 82,795.85, 124,248.17 and 45,382.39 is: 68,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,795.85 : 124,248.17 = 45,382.39 : x
  2. Step 2: Convert to fraction form
    82,795.85/124,248.17 = 45,382.39/x
  3. Step 3: Cross multiply
    82,795.85x = 124,248.17 × 45,382.39
  4. Step 4: Simplify right side
    82,795.85x = 5,638,678,316.65
  5. Step 5: Solve for x
    x = 5,638,678,316.65/82,795.85
  6. Step 6: Final answer
    x = 68,103.40

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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.