Home / 89,983.75-124,177.59-52,260.43

Finding the Fourth Proportional to 89,983.75, 124,177.59 and 52,260.43

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Solution

The fourth proportional to 89,983.75, 124,177.59 and 52,260.43 is: 72,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.75 : 124,177.59 = 52,260.43 : x
  2. Step 2: Convert to fraction form
    89,983.75/124,177.59 = 52,260.43/x
  3. Step 3: Cross multiply
    89,983.75x = 124,177.59 × 52,260.43
  4. Step 4: Simplify right side
    89,983.75x = 6,489,574,249.76
  5. Step 5: Solve for x
    x = 6,489,574,249.76/89,983.75
  6. Step 6: Final answer
    x = 72,119.40

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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.