Home / 89,920.36-124,036.68-58,108.06

Finding the Fourth Proportional to 89,920.36, 124,036.68 and 58,108.06

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Solution

The fourth proportional to 89,920.36, 124,036.68 and 58,108.06 is: 80,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.36 : 124,036.68 = 58,108.06 : x
  2. Step 2: Convert to fraction form
    89,920.36/124,036.68 = 58,108.06/x
  3. Step 3: Cross multiply
    89,920.36x = 124,036.68 × 58,108.06
  4. Step 4: Simplify right side
    89,920.36x = 7,207,530,843.64
  5. Step 5: Solve for x
    x = 7,207,530,843.64/89,920.36
  6. Step 6: Final answer
    x = 80,154.60

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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.