Home / 85,434.43-117,902.85-47,195.95

Finding the Fourth Proportional to 85,434.43, 117,902.85 and 47,195.95

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Solution

The fourth proportional to 85,434.43, 117,902.85 and 47,195.95 is: 65,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,434.43 : 117,902.85 = 47,195.95 : x
  2. Step 2: Convert to fraction form
    85,434.43/117,902.85 = 47,195.95/x
  3. Step 3: Cross multiply
    85,434.43x = 117,902.85 × 47,195.95
  4. Step 4: Simplify right side
    85,434.43x = 5,564,537,013.46
  5. Step 5: Solve for x
    x = 5,564,537,013.46/85,434.43
  6. Step 6: Final answer
    x = 65,132.25

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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.