Home / 68,939.43-95,143.38-42,097.65

Finding the Fourth Proportional to 68,939.43, 95,143.38 and 42,097.65

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Solution

The fourth proportional to 68,939.43, 95,143.38 and 42,097.65 is: 58,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,939.43 : 95,143.38 = 42,097.65 : x
  2. Step 2: Convert to fraction form
    68,939.43/95,143.38 = 42,097.65/x
  3. Step 3: Cross multiply
    68,939.43x = 95,143.38 × 42,097.65
  4. Step 4: Simplify right side
    68,939.43x = 4,005,312,711.06
  5. Step 5: Solve for x
    x = 4,005,312,711.06/68,939.43
  6. Step 6: Final answer
    x = 58,099.01

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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.