Home / 89,357.38-123,323.03-51,120.48

Finding the Fourth Proportional to 89,357.38, 123,323.03 and 51,120.48

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Solution

The fourth proportional to 89,357.38, 123,323.03 and 51,120.48 is: 70,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,357.38 : 123,323.03 = 51,120.48 : x
  2. Step 2: Convert to fraction form
    89,357.38/123,323.03 = 51,120.48/x
  3. Step 3: Cross multiply
    89,357.38x = 123,323.03 × 51,120.48
  4. Step 4: Simplify right side
    89,357.38x = 6,304,332,488.65
  5. Step 5: Solve for x
    x = 6,304,332,488.65/89,357.38
  6. Step 6: Final answer
    x = 70,551.89

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1.5x scale

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.