Home / 57,748.25-79,692.59-31,252.25

Finding the Fourth Proportional to 57,748.25, 79,692.59 and 31,252.25

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Solution

The fourth proportional to 57,748.25, 79,692.59 and 31,252.25 is: 43,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.25 : 79,692.59 = 31,252.25 : x
  2. Step 2: Convert to fraction form
    57,748.25/79,692.59 = 31,252.25/x
  3. Step 3: Cross multiply
    57,748.25x = 79,692.59 × 31,252.25
  4. Step 4: Simplify right side
    57,748.25x = 2,490,572,589.57
  5. Step 5: Solve for x
    x = 2,490,572,589.57/57,748.25
  6. Step 6: Final answer
    x = 43,128.11

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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.