Home / 49,089.09-67,743.90-27,868.35

Finding the Fourth Proportional to 49,089.09, 67,743.90 and 27,868.35

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Solution

The fourth proportional to 49,089.09, 67,743.90 and 27,868.35 is: 38,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,089.09 : 67,743.90 = 27,868.35 : x
  2. Step 2: Convert to fraction form
    49,089.09/67,743.90 = 27,868.35/x
  3. Step 3: Cross multiply
    49,089.09x = 67,743.90 × 27,868.35
  4. Step 4: Simplify right side
    49,089.09x = 1,887,910,715.57
  5. Step 5: Solve for x
    x = 1,887,910,715.57/49,089.09
  6. Step 6: Final answer
    x = 38,458.87

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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.