Home / 89,975.64-124,160.94-54,177.24

Finding the Fourth Proportional to 89,975.64, 124,160.94 and 54,177.24

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Solution

The fourth proportional to 89,975.64, 124,160.94 and 54,177.24 is: 74,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,975.64 : 124,160.94 = 54,177.24 : x
  2. Step 2: Convert to fraction form
    89,975.64/124,160.94 = 54,177.24/x
  3. Step 3: Cross multiply
    89,975.64x = 124,160.94 × 54,177.24
  4. Step 4: Simplify right side
    89,975.64x = 6,726,697,045.01
  5. Step 5: Solve for x
    x = 6,726,697,045.01/89,975.64
  6. Step 6: Final answer
    x = 74,761.31

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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.