Home / 83,176.50-114,784.38-45,451.56

Finding the Fourth Proportional to 83,176.50, 114,784.38 and 45,451.56

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Solution

The fourth proportional to 83,176.50, 114,784.38 and 45,451.56 is: 62,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,176.50 : 114,784.38 = 45,451.56 : x
  2. Step 2: Convert to fraction form
    83,176.50/114,784.38 = 45,451.56/x
  3. Step 3: Cross multiply
    83,176.50x = 114,784.38 × 45,451.56
  4. Step 4: Simplify right side
    83,176.50x = 5,217,129,134.63
  5. Step 5: Solve for x
    x = 5,217,129,134.63/83,176.50
  6. Step 6: Final answer
    x = 62,723.60

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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.