Home / 54,989.28-75,885.26-29,838.78

Finding the Fourth Proportional to 54,989.28, 75,885.26 and 29,838.78

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Solution

The fourth proportional to 54,989.28, 75,885.26 and 29,838.78 is: 41,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,989.28 : 75,885.26 = 29,838.78 : x
  2. Step 2: Convert to fraction form
    54,989.28/75,885.26 = 29,838.78/x
  3. Step 3: Cross multiply
    54,989.28x = 75,885.26 × 29,838.78
  4. Step 4: Simplify right side
    54,989.28x = 2,264,323,429.19
  5. Step 5: Solve for x
    x = 2,264,323,429.19/54,989.28
  6. Step 6: Final answer
    x = 41,177.54

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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.