Home / 54,931.15-82,253.76-47,083.87

Finding the Fourth Proportional to 54,931.15, 82,253.76 and 47,083.87

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Solution

The fourth proportional to 54,931.15, 82,253.76 and 47,083.87 is: 70,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.15 : 82,253.76 = 47,083.87 : x
  2. Step 2: Convert to fraction form
    54,931.15/82,253.76 = 47,083.87/x
  3. Step 3: Cross multiply
    54,931.15x = 82,253.76 × 47,083.87
  4. Step 4: Simplify right side
    54,931.15x = 3,872,825,342.85
  5. Step 5: Solve for x
    x = 3,872,825,342.85/54,931.15
  6. Step 6: Final answer
    x = 70,503.26

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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.