Home / 54,895.92-75,756.96-31,022.88

Finding the Fourth Proportional to 54,895.92, 75,756.96 and 31,022.88

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Solution

The fourth proportional to 54,895.92, 75,756.96 and 31,022.88 is: 42,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,895.92 : 75,756.96 = 31,022.88 : x
  2. Step 2: Convert to fraction form
    54,895.92/75,756.96 = 31,022.88/x
  3. Step 3: Cross multiply
    54,895.92x = 75,756.96 × 31,022.88
  4. Step 4: Simplify right side
    54,895.92x = 2,350,199,079.24
  5. Step 5: Solve for x
    x = 2,350,199,079.24/54,895.92
  6. Step 6: Final answer
    x = 42,811.91

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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.