Home / 83,072.60-114,640.36-45,346.84

Finding the Fourth Proportional to 83,072.60, 114,640.36 and 45,346.84

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Solution

The fourth proportional to 83,072.60, 114,640.36 and 45,346.84 is: 62,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072.60 : 114,640.36 = 45,346.84 : x
  2. Step 2: Convert to fraction form
    83,072.60/114,640.36 = 45,346.84/x
  3. Step 3: Cross multiply
    83,072.60x = 114,640.36 × 45,346.84
  4. Step 4: Simplify right side
    83,072.60x = 5,198,578,062.46
  5. Step 5: Solve for x
    x = 5,198,578,062.46/83,072.60
  6. Step 6: Final answer
    x = 62,578.73

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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.