Home / 74,127.78-111,197.85-21,537.27

Finding the Fourth Proportional to 74,127.78, 111,197.85 and 21,537.27

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Solution

The fourth proportional to 74,127.78, 111,197.85 and 21,537.27 is: 32,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,127.78 : 111,197.85 = 21,537.27 : x
  2. Step 2: Convert to fraction form
    74,127.78/111,197.85 = 21,537.27/x
  3. Step 3: Cross multiply
    74,127.78x = 111,197.85 × 21,537.27
  4. Step 4: Simplify right side
    74,127.78x = 2,394,898,118.87
  5. Step 5: Solve for x
    x = 2,394,898,118.87/74,127.78
  6. Step 6: Final answer
    x = 32,307.70

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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.