Home / 92,960.12-128,286.60-52,672.88

Finding the Fourth Proportional to 92,960.12, 128,286.60 and 52,672.88

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Solution

The fourth proportional to 92,960.12, 128,286.60 and 52,672.88 is: 72,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,960.12 : 128,286.60 = 52,672.88 : x
  2. Step 2: Convert to fraction form
    92,960.12/128,286.60 = 52,672.88/x
  3. Step 3: Cross multiply
    92,960.12x = 128,286.60 × 52,672.88
  4. Step 4: Simplify right side
    92,960.12x = 6,757,224,687.41
  5. Step 5: Solve for x
    x = 6,757,224,687.41/92,960.12
  6. Step 6: Final answer
    x = 72,689.50

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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.