Home / 68,975.08-95,182.86-38,760.28

Finding the Fourth Proportional to 68,975.08, 95,182.86 and 38,760.28

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Solution

The fourth proportional to 68,975.08, 95,182.86 and 38,760.28 is: 53,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.08 : 95,182.86 = 38,760.28 : x
  2. Step 2: Convert to fraction form
    68,975.08/95,182.86 = 38,760.28/x
  3. Step 3: Cross multiply
    68,975.08x = 95,182.86 × 38,760.28
  4. Step 4: Simplify right side
    68,975.08x = 3,689,314,304.80
  5. Step 5: Solve for x
    x = 3,689,314,304.80/68,975.08
  6. Step 6: Final answer
    x = 53,487.64

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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.