Home / 84,013.74-115,938.07-48,209.38

Finding the Fourth Proportional to 84,013.74, 115,938.07 and 48,209.38

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Solution

The fourth proportional to 84,013.74, 115,938.07 and 48,209.38 is: 66,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,013.74 : 115,938.07 = 48,209.38 : x
  2. Step 2: Convert to fraction form
    84,013.74/115,938.07 = 48,209.38/x
  3. Step 3: Cross multiply
    84,013.74x = 115,938.07 × 48,209.38
  4. Step 4: Simplify right side
    84,013.74x = 5,589,302,062.73
  5. Step 5: Solve for x
    x = 5,589,302,062.73/84,013.74
  6. Step 6: Final answer
    x = 66,528.43

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1.5x scale

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.