Home / 87,593.07-131,408.08-28,424.14

Finding the Fourth Proportional to 87,593.07, 131,408.08 and 28,424.14

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Solution

The fourth proportional to 87,593.07, 131,408.08 and 28,424.14 is: 42,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,593.07 : 131,408.08 = 28,424.14 : x
  2. Step 2: Convert to fraction form
    87,593.07/131,408.08 = 28,424.14/x
  3. Step 3: Cross multiply
    87,593.07x = 131,408.08 × 28,424.14
  4. Step 4: Simplify right side
    87,593.07x = 3,735,161,263.47
  5. Step 5: Solve for x
    x = 3,735,161,263.47/87,593.07
  6. Step 6: Final answer
    x = 42,642.20

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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.