Home / 54,885.27-75,754.10-31,025.79

Finding the Fourth Proportional to 54,885.27, 75,754.10 and 31,025.79

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Solution

The fourth proportional to 54,885.27, 75,754.10 and 31,025.79 is: 42,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.27 : 75,754.10 = 31,025.79 : x
  2. Step 2: Convert to fraction form
    54,885.27/75,754.10 = 31,025.79/x
  3. Step 3: Cross multiply
    54,885.27x = 75,754.10 × 31,025.79
  4. Step 4: Simplify right side
    54,885.27x = 2,350,330,643.11
  5. Step 5: Solve for x
    x = 2,350,330,643.11/54,885.27
  6. Step 6: Final answer
    x = 42,822.61

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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.