Home / 87,816.16-131,730.10-30,883.23

Finding the Fourth Proportional to 87,816.16, 131,730.10 and 30,883.23

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Solution

The fourth proportional to 87,816.16, 131,730.10 and 30,883.23 is: 46,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,816.16 : 131,730.10 = 30,883.23 : x
  2. Step 2: Convert to fraction form
    87,816.16/131,730.10 = 30,883.23/x
  3. Step 3: Cross multiply
    87,816.16x = 131,730.10 × 30,883.23
  4. Step 4: Simplify right side
    87,816.16x = 4,068,250,899.01
  5. Step 5: Solve for x
    x = 4,068,250,899.01/87,816.16
  6. Step 6: Final answer
    x = 46,326.91

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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.