Home / 57,773.12-86,602.28-40,206.05

Finding the Fourth Proportional to 57,773.12, 86,602.28 and 40,206.05

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Solution

The fourth proportional to 57,773.12, 86,602.28 and 40,206.05 is: 60,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,773.12 : 86,602.28 = 40,206.05 : x
  2. Step 2: Convert to fraction form
    57,773.12/86,602.28 = 40,206.05/x
  3. Step 3: Cross multiply
    57,773.12x = 86,602.28 × 40,206.05
  4. Step 4: Simplify right side
    57,773.12x = 3,481,934,965.75
  5. Step 5: Solve for x
    x = 3,481,934,965.75/57,773.12
  6. Step 6: Final answer
    x = 60,269.12

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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.