Home / 45,045-67,555.35-16,963.11

Finding the Fourth Proportional to 45,045, 67,555.35 and 16,963.11

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Solution

The fourth proportional to 45,045, 67,555.35 and 16,963.11 is: 25,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,045 : 67,555.35 = 16,963.11 : x
  2. Step 2: Convert to fraction form
    45,045/67,555.35 = 16,963.11/x
  3. Step 3: Cross multiply
    45,045x = 67,555.35 × 16,963.11
  4. Step 4: Simplify right side
    45,045x = 1,145,948,833.14
  5. Step 5: Solve for x
    x = 1,145,948,833.14/45,045
  6. Step 6: Final answer
    x = 25,440.09

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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.