Home / 75,692.24-113,562.16-31,339.92

Finding the Fourth Proportional to 75,692.24, 113,562.16 and 31,339.92

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Solution

The fourth proportional to 75,692.24, 113,562.16 and 31,339.92 is: 47,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692.24 : 113,562.16 = 31,339.92 : x
  2. Step 2: Convert to fraction form
    75,692.24/113,562.16 = 31,339.92/x
  3. Step 3: Cross multiply
    75,692.24x = 113,562.16 × 31,339.92
  4. Step 4: Simplify right side
    75,692.24x = 3,559,029,009.43
  5. Step 5: Solve for x
    x = 3,559,029,009.43/75,692.24
  6. Step 6: Final answer
    x = 47,019.73

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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.