Home / 85,306.36-117,684.56-49,475.52

Finding the Fourth Proportional to 85,306.36, 117,684.56 and 49,475.52

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Solution

The fourth proportional to 85,306.36, 117,684.56 and 49,475.52 is: 68,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,306.36 : 117,684.56 = 49,475.52 : x
  2. Step 2: Convert to fraction form
    85,306.36/117,684.56 = 49,475.52/x
  3. Step 3: Cross multiply
    85,306.36x = 117,684.56 × 49,475.52
  4. Step 4: Simplify right side
    85,306.36x = 5,822,504,801.97
  5. Step 5: Solve for x
    x = 5,822,504,801.97/85,306.36
  6. Step 6: Final answer
    x = 68,254.05

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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.