Home / 83,072.62-114,640.95-45,348.22

Finding the Fourth Proportional to 83,072.62, 114,640.95 and 45,348.22

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Solution

The fourth proportional to 83,072.62, 114,640.95 and 45,348.22 is: 62,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072.62 : 114,640.95 = 45,348.22 : x
  2. Step 2: Convert to fraction form
    83,072.62/114,640.95 = 45,348.22/x
  3. Step 3: Cross multiply
    83,072.62x = 114,640.95 × 45,348.22
  4. Step 4: Simplify right side
    83,072.62x = 5,198,763,021.61
  5. Step 5: Solve for x
    x = 5,198,763,021.61/83,072.62
  6. Step 6: Final answer
    x = 62,580.94

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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.