Home / 57,103.32-85,654.98-17,660.78

Finding the Fourth Proportional to 57,103.32, 85,654.98 and 17,660.78

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Solution

The fourth proportional to 57,103.32, 85,654.98 and 17,660.78 is: 26,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.32 : 85,654.98 = 17,660.78 : x
  2. Step 2: Convert to fraction form
    57,103.32/85,654.98 = 17,660.78/x
  3. Step 3: Cross multiply
    57,103.32x = 85,654.98 × 17,660.78
  4. Step 4: Simplify right side
    57,103.32x = 1,512,733,329.41
  5. Step 5: Solve for x
    x = 1,512,733,329.41/57,103.32
  6. Step 6: Final answer
    x = 26,491.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.