Home / 74,266.18-111,397.41-21,676.12

Finding the Fourth Proportional to 74,266.18, 111,397.41 and 21,676.12

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Solution

The fourth proportional to 74,266.18, 111,397.41 and 21,676.12 is: 32,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266.18 : 111,397.41 = 21,676.12 : x
  2. Step 2: Convert to fraction form
    74,266.18/111,397.41 = 21,676.12/x
  3. Step 3: Cross multiply
    74,266.18x = 111,397.41 × 21,676.12
  4. Step 4: Simplify right side
    74,266.18x = 2,414,663,348.36
  5. Step 5: Solve for x
    x = 2,414,663,348.36/74,266.18
  6. Step 6: Final answer
    x = 32,513.63

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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.