Home / 58,692.24-87,972.12-29,131.20

Finding the Fourth Proportional to 58,692.24, 87,972.12 and 29,131.20

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Solution

The fourth proportional to 58,692.24, 87,972.12 and 29,131.20 is: 43,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,692.24 : 87,972.12 = 29,131.20 : x
  2. Step 2: Convert to fraction form
    58,692.24/87,972.12 = 29,131.20/x
  3. Step 3: Cross multiply
    58,692.24x = 87,972.12 × 29,131.20
  4. Step 4: Simplify right side
    58,692.24x = 2,562,733,422.14
  5. Step 5: Solve for x
    x = 2,562,733,422.14/58,692.24
  6. Step 6: Final answer
    x = 43,663.92

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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.