Home / 84,516.47-116,711.73-54,354.15

Finding the Fourth Proportional to 84,516.47, 116,711.73 and 54,354.15

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Solution

The fourth proportional to 84,516.47, 116,711.73 and 54,354.15 is: 75,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,516.47 : 116,711.73 = 54,354.15 : x
  2. Step 2: Convert to fraction form
    84,516.47/116,711.73 = 54,354.15/x
  3. Step 3: Cross multiply
    84,516.47x = 116,711.73 × 54,354.15
  4. Step 4: Simplify right side
    84,516.47x = 6,343,766,879.18
  5. Step 5: Solve for x
    x = 6,343,766,879.18/84,516.47
  6. Step 6: Final answer
    x = 75,059.54

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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.