Home / 54,110.19-80,769.04-47,718.74

Finding the Fourth Proportional to 54,110.19, 80,769.04 and 47,718.74

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Solution

The fourth proportional to 54,110.19, 80,769.04 and 47,718.74 is: 71,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,110.19 : 80,769.04 = 47,718.74 : x
  2. Step 2: Convert to fraction form
    54,110.19/80,769.04 = 47,718.74/x
  3. Step 3: Cross multiply
    54,110.19x = 80,769.04 × 47,718.74
  4. Step 4: Simplify right side
    54,110.19x = 3,854,196,716.53
  5. Step 5: Solve for x
    x = 3,854,196,716.53/54,110.19
  6. Step 6: Final answer
    x = 71,228.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.