Home / 75,692.06-113,472.20-31,291.10

Finding the Fourth Proportional to 75,692.06, 113,472.20 and 31,291.10

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Solution

The fourth proportional to 75,692.06, 113,472.20 and 31,291.10 is: 46,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692.06 : 113,472.20 = 31,291.10 : x
  2. Step 2: Convert to fraction form
    75,692.06/113,472.20 = 31,291.10/x
  3. Step 3: Cross multiply
    75,692.06x = 113,472.20 × 31,291.10
  4. Step 4: Simplify right side
    75,692.06x = 3,550,669,957.42
  5. Step 5: Solve for x
    x = 3,550,669,957.42/75,692.06
  6. Step 6: Final answer
    x = 46,909.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.