Home / 55,401.02-83,101.66-22,123.78

Finding the Fourth Proportional to 55,401.02, 83,101.66 and 22,123.78

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Solution

The fourth proportional to 55,401.02, 83,101.66 and 22,123.78 is: 33,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401.02 : 83,101.66 = 22,123.78 : x
  2. Step 2: Convert to fraction form
    55,401.02/83,101.66 = 22,123.78/x
  3. Step 3: Cross multiply
    55,401.02x = 83,101.66 × 22,123.78
  4. Step 4: Simplify right side
    55,401.02x = 1,838,522,843.47
  5. Step 5: Solve for x
    x = 1,838,522,843.47/55,401.02
  6. Step 6: Final answer
    x = 33,185.72

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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.