Home / 68,908.12-95,085.78-38,696.72

Finding the Fourth Proportional to 68,908.12, 95,085.78 and 38,696.72

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Solution

The fourth proportional to 68,908.12, 95,085.78 and 38,696.72 is: 53,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,908.12 : 95,085.78 = 38,696.72 : x
  2. Step 2: Convert to fraction form
    68,908.12/95,085.78 = 38,696.72/x
  3. Step 3: Cross multiply
    68,908.12x = 95,085.78 × 38,696.72
  4. Step 4: Simplify right side
    68,908.12x = 3,679,507,804.64
  5. Step 5: Solve for x
    x = 3,679,507,804.64/68,908.12
  6. Step 6: Final answer
    x = 53,397.30

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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.