Home / 83,857.02-115,722.99-45,616.56

Finding the Fourth Proportional to 83,857.02, 115,722.99 and 45,616.56

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Solution

The fourth proportional to 83,857.02, 115,722.99 and 45,616.56 is: 62,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,857.02 : 115,722.99 = 45,616.56 : x
  2. Step 2: Convert to fraction form
    83,857.02/115,722.99 = 45,616.56/x
  3. Step 3: Cross multiply
    83,857.02x = 115,722.99 × 45,616.56
  4. Step 4: Simplify right side
    83,857.02x = 5,278,884,716.71
  5. Step 5: Solve for x
    x = 5,278,884,716.71/83,857.02
  6. Step 6: Final answer
    x = 62,951.02

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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.