Home / 89,550.12-123,582.16-49,265.58

Finding the Fourth Proportional to 89,550.12, 123,582.16 and 49,265.58

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Solution

The fourth proportional to 89,550.12, 123,582.16 and 49,265.58 is: 67,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,550.12 : 123,582.16 = 49,265.58 : x
  2. Step 2: Convert to fraction form
    89,550.12/123,582.16 = 49,265.58/x
  3. Step 3: Cross multiply
    89,550.12x = 123,582.16 × 49,265.58
  4. Step 4: Simplify right side
    89,550.12x = 6,088,346,790.05
  5. Step 5: Solve for x
    x = 6,088,346,790.05/89,550.12
  6. Step 6: Final answer
    x = 67,988.15

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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.