Home / 89,917.24-124,083.90-49,080.02

Finding the Fourth Proportional to 89,917.24, 124,083.90 and 49,080.02

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Solution

The fourth proportional to 89,917.24, 124,083.90 and 49,080.02 is: 67,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,917.24 : 124,083.90 = 49,080.02 : x
  2. Step 2: Convert to fraction form
    89,917.24/124,083.90 = 49,080.02/x
  3. Step 3: Cross multiply
    89,917.24x = 124,083.90 × 49,080.02
  4. Step 4: Simplify right side
    89,917.24x = 6,090,040,293.68
  5. Step 5: Solve for x
    x = 6,090,040,293.68/89,917.24
  6. Step 6: Final answer
    x = 67,729.40

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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.