Home / 57,028.10-85,380.15-53,924.90

Finding the Fourth Proportional to 57,028.10, 85,380.15 and 53,924.90

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Solution

The fourth proportional to 57,028.10, 85,380.15 and 53,924.90 is: 80,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.10 : 85,380.15 = 53,924.90 : x
  2. Step 2: Convert to fraction form
    57,028.10/85,380.15 = 53,924.90/x
  3. Step 3: Cross multiply
    57,028.10x = 85,380.15 × 53,924.90
  4. Step 4: Simplify right side
    57,028.10x = 4,604,116,050.74
  5. Step 5: Solve for x
    x = 4,604,116,050.74/57,028.10
  6. Step 6: Final answer
    x = 80,734.17

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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.