Home / 54,743.95-82,115.11-29,778.13

Finding the Fourth Proportional to 54,743.95, 82,115.11 and 29,778.13

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Solution

The fourth proportional to 54,743.95, 82,115.11 and 29,778.13 is: 44,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.95 : 82,115.11 = 29,778.13 : x
  2. Step 2: Convert to fraction form
    54,743.95/82,115.11 = 29,778.13/x
  3. Step 3: Cross multiply
    54,743.95x = 82,115.11 × 29,778.13
  4. Step 4: Simplify right side
    54,743.95x = 2,445,234,420.54
  5. Step 5: Solve for x
    x = 2,445,234,420.54/54,743.95
  6. Step 6: Final answer
    x = 44,666.75

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1.5x scale

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.