Home / 54,228.18-80,981.39-53,641.74

Finding the Fourth Proportional to 54,228.18, 80,981.39 and 53,641.74

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Solution

The fourth proportional to 54,228.18, 80,981.39 and 53,641.74 is: 80,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.18 : 80,981.39 = 53,641.74 : x
  2. Step 2: Convert to fraction form
    54,228.18/80,981.39 = 53,641.74/x
  3. Step 3: Cross multiply
    54,228.18x = 80,981.39 × 53,641.74
  4. Step 4: Simplify right side
    54,228.18x = 4,343,982,399.01
  5. Step 5: Solve for x
    x = 4,343,982,399.01/54,228.18
  6. Step 6: Final answer
    x = 80,105.63

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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.