Home / 54,078.76-74,543.94-49,733.88

Finding the Fourth Proportional to 54,078.76, 74,543.94 and 49,733.88

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Solution

The fourth proportional to 54,078.76, 74,543.94 and 49,733.88 is: 68,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.76 : 74,543.94 = 49,733.88 : x
  2. Step 2: Convert to fraction form
    54,078.76/74,543.94 = 49,733.88/x
  3. Step 3: Cross multiply
    54,078.76x = 74,543.94 × 49,733.88
  4. Step 4: Simplify right side
    54,078.76x = 3,707,359,366.69
  5. Step 5: Solve for x
    x = 3,707,359,366.69/54,078.76
  6. Step 6: Final answer
    x = 68,554.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.