Home / 73,581.18-101,561.58-45,310.56

Finding the Fourth Proportional to 73,581.18, 101,561.58 and 45,310.56

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Solution

The fourth proportional to 73,581.18, 101,561.58 and 45,310.56 is: 62,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,581.18 : 101,561.58 = 45,310.56 : x
  2. Step 2: Convert to fraction form
    73,581.18/101,561.58 = 45,310.56/x
  3. Step 3: Cross multiply
    73,581.18x = 101,561.58 × 45,310.56
  4. Step 4: Simplify right side
    73,581.18x = 4,601,812,064.28
  5. Step 5: Solve for x
    x = 4,601,812,064.28/73,581.18
  6. Step 6: Final answer
    x = 62,540.61

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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.