Home / 83,586.52-115,343.76-45,863.20

Finding the Fourth Proportional to 83,586.52, 115,343.76 and 45,863.20

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Solution

The fourth proportional to 83,586.52, 115,343.76 and 45,863.20 is: 63,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,586.52 : 115,343.76 = 45,863.20 : x
  2. Step 2: Convert to fraction form
    83,586.52/115,343.76 = 45,863.20/x
  3. Step 3: Cross multiply
    83,586.52x = 115,343.76 × 45,863.20
  4. Step 4: Simplify right side
    83,586.52x = 5,290,033,933.63
  5. Step 5: Solve for x
    x = 5,290,033,933.63/83,586.52
  6. Step 6: Final answer
    x = 63,288.12

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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.