Home / 87,510.72-131,271.84-25,181.76

Finding the Fourth Proportional to 87,510.72, 131,271.84 and 25,181.76

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Solution

The fourth proportional to 87,510.72, 131,271.84 and 25,181.76 is: 37,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,510.72 : 131,271.84 = 25,181.76 : x
  2. Step 2: Convert to fraction form
    87,510.72/131,271.84 = 25,181.76/x
  3. Step 3: Cross multiply
    87,510.72x = 131,271.84 × 25,181.76
  4. Step 4: Simplify right side
    87,510.72x = 3,305,655,969.64
  5. Step 5: Solve for x
    x = 3,305,655,969.64/87,510.72
  6. Step 6: Final answer
    x = 37,774.30

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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.