Home / 57,255.82-79,013.51-31,763.85

Finding the Fourth Proportional to 57,255.82, 79,013.51 and 31,763.85

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Solution

The fourth proportional to 57,255.82, 79,013.51 and 31,763.85 is: 43,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.82 : 79,013.51 = 31,763.85 : x
  2. Step 2: Convert to fraction form
    57,255.82/79,013.51 = 31,763.85/x
  3. Step 3: Cross multiply
    57,255.82x = 79,013.51 × 31,763.85
  4. Step 4: Simplify right side
    57,255.82x = 2,509,773,279.61
  5. Step 5: Solve for x
    x = 2,509,773,279.61/57,255.82
  6. Step 6: Final answer
    x = 43,834.38

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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.