Home / 87,483.57-131,248.31-27,509.63

Finding the Fourth Proportional to 87,483.57, 131,248.31 and 27,509.63

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Solution

The fourth proportional to 87,483.57, 131,248.31 and 27,509.63 is: 41,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,483.57 : 131,248.31 = 27,509.63 : x
  2. Step 2: Convert to fraction form
    87,483.57/131,248.31 = 27,509.63/x
  3. Step 3: Cross multiply
    87,483.57x = 131,248.31 × 27,509.63
  4. Step 4: Simplify right side
    87,483.57x = 3,610,591,652.44
  5. Step 5: Solve for x
    x = 3,610,591,652.44/87,483.57
  6. Step 6: Final answer
    x = 41,271.65

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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.