Home / 85,167.32-127,769.65-25,191.09

Finding the Fourth Proportional to 85,167.32, 127,769.65 and 25,191.09

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Solution

The fourth proportional to 85,167.32, 127,769.65 and 25,191.09 is: 37,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,167.32 : 127,769.65 = 25,191.09 : x
  2. Step 2: Convert to fraction form
    85,167.32/127,769.65 = 25,191.09/x
  3. Step 3: Cross multiply
    85,167.32x = 127,769.65 × 25,191.09
  4. Step 4: Simplify right side
    85,167.32x = 3,218,656,689.44
  5. Step 5: Solve for x
    x = 3,218,656,689.44/85,167.32
  6. Step 6: Final answer
    x = 37,792.16

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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.