Home / 68,925.52-95,118.87-38,710.90

Finding the Fourth Proportional to 68,925.52, 95,118.87 and 38,710.90

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Solution

The fourth proportional to 68,925.52, 95,118.87 and 38,710.90 is: 53,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,925.52 : 95,118.87 = 38,710.90 : x
  2. Step 2: Convert to fraction form
    68,925.52/95,118.87 = 38,710.90/x
  3. Step 3: Cross multiply
    68,925.52x = 95,118.87 × 38,710.90
  4. Step 4: Simplify right side
    68,925.52x = 3,682,137,064.68
  5. Step 5: Solve for x
    x = 3,682,137,064.68/68,925.52
  6. Step 6: Final answer
    x = 53,421.97

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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.