Home / 83,047.30-114,605.23-45,321.55

Finding the Fourth Proportional to 83,047.30, 114,605.23 and 45,321.55

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Solution

The fourth proportional to 83,047.30, 114,605.23 and 45,321.55 is: 62,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,047.30 : 114,605.23 = 45,321.55 : x
  2. Step 2: Convert to fraction form
    83,047.30/114,605.23 = 45,321.55/x
  3. Step 3: Cross multiply
    83,047.30x = 114,605.23 × 45,321.55
  4. Step 4: Simplify right side
    83,047.30x = 5,194,086,088.68
  5. Step 5: Solve for x
    x = 5,194,086,088.68/83,047.30
  6. Step 6: Final answer
    x = 62,543.71

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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.