Home / 84,151.76-126,226.22-48,666.47

Finding the Fourth Proportional to 84,151.76, 126,226.22 and 48,666.47

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Solution

The fourth proportional to 84,151.76, 126,226.22 and 48,666.47 is: 72,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,151.76 : 126,226.22 = 48,666.47 : x
  2. Step 2: Convert to fraction form
    84,151.76/126,226.22 = 48,666.47/x
  3. Step 3: Cross multiply
    84,151.76x = 126,226.22 × 48,666.47
  4. Step 4: Simplify right side
    84,151.76x = 6,142,983,674.38
  5. Step 5: Solve for x
    x = 6,142,983,674.38/84,151.76
  6. Step 6: Final answer
    x = 72,998.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.