Home / 95,118.08-131,176.32-81,685.12

Finding the Fourth Proportional to 95,118.08, 131,176.32 and 81,685.12

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Solution

The fourth proportional to 95,118.08, 131,176.32 and 81,685.12 is: 112,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,118.08 : 131,176.32 = 81,685.12 : x
  2. Step 2: Convert to fraction form
    95,118.08/131,176.32 = 81,685.12/x
  3. Step 3: Cross multiply
    95,118.08x = 131,176.32 × 81,685.12
  4. Step 4: Simplify right side
    95,118.08x = 10,715,153,440.36
  5. Step 5: Solve for x
    x = 10,715,153,440.36/95,118.08
  6. Step 6: Final answer
    x = 112,651.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.