Home / 86,372.88-129,553.07-27,225.48

Finding the Fourth Proportional to 86,372.88, 129,553.07 and 27,225.48

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Solution

The fourth proportional to 86,372.88, 129,553.07 and 27,225.48 is: 40,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,372.88 : 129,553.07 = 27,225.48 : x
  2. Step 2: Convert to fraction form
    86,372.88/129,553.07 = 27,225.48/x
  3. Step 3: Cross multiply
    86,372.88x = 129,553.07 × 27,225.48
  4. Step 4: Simplify right side
    86,372.88x = 3,527,143,868.46
  5. Step 5: Solve for x
    x = 3,527,143,868.46/86,372.88
  6. Step 6: Final answer
    x = 40,836.24

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1.5x scale

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.