Home / 68,931.14-95,124.38-38,716.92

Finding the Fourth Proportional to 68,931.14, 95,124.38 and 38,716.92

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Solution

The fourth proportional to 68,931.14, 95,124.38 and 38,716.92 is: 53,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,931.14 : 95,124.38 = 38,716.92 : x
  2. Step 2: Convert to fraction form
    68,931.14/95,124.38 = 38,716.92/x
  3. Step 3: Cross multiply
    68,931.14x = 95,124.38 × 38,716.92
  4. Step 4: Simplify right side
    68,931.14x = 3,682,922,816.93
  5. Step 5: Solve for x
    x = 3,682,922,816.93/68,931.14
  6. Step 6: Final answer
    x = 53,429.02

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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.