Home / 101,680.02-140,286.35-58,653.74

Finding the Fourth Proportional to 101,680.02, 140,286.35 and 58,653.74

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Solution

The fourth proportional to 101,680.02, 140,286.35 and 58,653.74 is: 80,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,680.02 : 140,286.35 = 58,653.74 : x
  2. Step 2: Convert to fraction form
    101,680.02/140,286.35 = 58,653.74/x
  3. Step 3: Cross multiply
    101,680.02x = 140,286.35 × 58,653.74
  4. Step 4: Simplify right side
    101,680.02x = 8,228,318,103.75
  5. Step 5: Solve for x
    x = 8,228,318,103.75/101,680.02
  6. Step 6: Final answer
    x = 80,923.65

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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.