Home / 54,568.24-81,370.46-47,931.91

Finding the Fourth Proportional to 54,568.24, 81,370.46 and 47,931.91

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Solution

The fourth proportional to 54,568.24, 81,370.46 and 47,931.91 is: 71,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568.24 : 81,370.46 = 47,931.91 : x
  2. Step 2: Convert to fraction form
    54,568.24/81,370.46 = 47,931.91/x
  3. Step 3: Cross multiply
    54,568.24x = 81,370.46 × 47,931.91
  4. Step 4: Simplify right side
    54,568.24x = 3,900,241,565.38
  5. Step 5: Solve for x
    x = 3,900,241,565.38/54,568.24
  6. Step 6: Final answer
    x = 71,474.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.