Home / 83,715.27-115,528.30-45,475.56

Finding the Fourth Proportional to 83,715.27, 115,528.30 and 45,475.56

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Solution

The fourth proportional to 83,715.27, 115,528.30 and 45,475.56 is: 62,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,715.27 : 115,528.30 = 45,475.56 : x
  2. Step 2: Convert to fraction form
    83,715.27/115,528.30 = 45,475.56/x
  3. Step 3: Cross multiply
    83,715.27x = 115,528.30 × 45,475.56
  4. Step 4: Simplify right side
    83,715.27x = 5,253,713,560.71
  5. Step 5: Solve for x
    x = 5,253,713,560.71/83,715.27
  6. Step 6: Final answer
    x = 62,756.94

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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.