Home / 87,700.88-131,552.94-28,536.32

Finding the Fourth Proportional to 87,700.88, 131,552.94 and 28,536.32

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Solution

The fourth proportional to 87,700.88, 131,552.94 and 28,536.32 is: 42,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,700.88 : 131,552.94 = 28,536.32 : x
  2. Step 2: Convert to fraction form
    87,700.88/131,552.94 = 28,536.32/x
  3. Step 3: Cross multiply
    87,700.88x = 131,552.94 × 28,536.32
  4. Step 4: Simplify right side
    87,700.88x = 3,754,036,792.78
  5. Step 5: Solve for x
    x = 3,754,036,792.78/87,700.88
  6. Step 6: Final answer
    x = 42,805.01

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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.