Home / 54,423.60-81,635.40-54,034.80

Finding the Fourth Proportional to 54,423.60, 81,635.40 and 54,034.80

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Solution

The fourth proportional to 54,423.60, 81,635.40 and 54,034.80 is: 81,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.60 : 81,635.40 = 54,034.80 : x
  2. Step 2: Convert to fraction form
    54,423.60/81,635.40 = 54,034.80/x
  3. Step 3: Cross multiply
    54,423.60x = 81,635.40 × 54,034.80
  4. Step 4: Simplify right side
    54,423.60x = 4,411,152,511.92
  5. Step 5: Solve for x
    x = 4,411,152,511.92/54,423.60
  6. Step 6: Final answer
    x = 81,052.20

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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.