Home / 87,723.72-131,598.54-25,386.12

Finding the Fourth Proportional to 87,723.72, 131,598.54 and 25,386.12

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Solution

The fourth proportional to 87,723.72, 131,598.54 and 25,386.12 is: 38,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723.72 : 131,598.54 = 25,386.12 : x
  2. Step 2: Convert to fraction form
    87,723.72/131,598.54 = 25,386.12/x
  3. Step 3: Cross multiply
    87,723.72x = 131,598.54 × 25,386.12
  4. Step 4: Simplify right side
    87,723.72x = 3,340,776,328.26
  5. Step 5: Solve for x
    x = 3,340,776,328.26/87,723.72
  6. Step 6: Final answer
    x = 38,082.93

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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.