Home / 54,255.60-81,287.73-47,516.91

Finding the Fourth Proportional to 54,255.60, 81,287.73 and 47,516.91

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Solution

The fourth proportional to 54,255.60, 81,287.73 and 47,516.91 is: 71,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.60 : 81,287.73 = 47,516.91 : x
  2. Step 2: Convert to fraction form
    54,255.60/81,287.73 = 47,516.91/x
  3. Step 3: Cross multiply
    54,255.60x = 81,287.73 × 47,516.91
  4. Step 4: Simplify right side
    54,255.60x = 3,862,541,750.51
  5. Step 5: Solve for x
    x = 3,862,541,750.51/54,255.60
  6. Step 6: Final answer
    x = 71,191.58

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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.