Home / 55,740.30-83,480.85-38,114.70

Finding the Fourth Proportional to 55,740.30, 83,480.85 and 38,114.70

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Solution

The fourth proportional to 55,740.30, 83,480.85 and 38,114.70 is: 57,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.30 : 83,480.85 = 38,114.70 : x
  2. Step 2: Convert to fraction form
    55,740.30/83,480.85 = 38,114.70/x
  3. Step 3: Cross multiply
    55,740.30x = 83,480.85 × 38,114.70
  4. Step 4: Simplify right side
    55,740.30x = 3,181,847,553.50
  5. Step 5: Solve for x
    x = 3,181,847,553.50/55,740.30
  6. Step 6: Final answer
    x = 57,083.43

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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.