Home / 83,225.45-114,851.12-45,499.70

Finding the Fourth Proportional to 83,225.45, 114,851.12 and 45,499.70

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Solution

The fourth proportional to 83,225.45, 114,851.12 and 45,499.70 is: 62,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,225.45 : 114,851.12 = 45,499.70 : x
  2. Step 2: Convert to fraction form
    83,225.45/114,851.12 = 45,499.70/x
  3. Step 3: Cross multiply
    83,225.45x = 114,851.12 × 45,499.70
  4. Step 4: Simplify right side
    83,225.45x = 5,225,691,504.66
  5. Step 5: Solve for x
    x = 5,225,691,504.66/83,225.45
  6. Step 6: Final answer
    x = 62,789.59

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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.