Home / 89,823.12-123,953.66-49,535.62

Finding the Fourth Proportional to 89,823.12, 123,953.66 and 49,535.62

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Solution

The fourth proportional to 89,823.12, 123,953.66 and 49,535.62 is: 68,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.12 : 123,953.66 = 49,535.62 : x
  2. Step 2: Convert to fraction form
    89,823.12/123,953.66 = 49,535.62/x
  3. Step 3: Cross multiply
    89,823.12x = 123,953.66 × 49,535.62
  4. Step 4: Simplify right side
    89,823.12x = 6,140,121,399.37
  5. Step 5: Solve for x
    x = 6,140,121,399.37/89,823.12
  6. Step 6: Final answer
    x = 68,357.92

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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.