Home / 57,226.80-78,972.60-31,733.15

Finding the Fourth Proportional to 57,226.80, 78,972.60 and 31,733.15

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Solution

The fourth proportional to 57,226.80, 78,972.60 and 31,733.15 is: 43,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.80 : 78,972.60 = 31,733.15 : x
  2. Step 2: Convert to fraction form
    57,226.80/78,972.60 = 31,733.15/x
  3. Step 3: Cross multiply
    57,226.80x = 78,972.60 × 31,733.15
  4. Step 4: Simplify right side
    57,226.80x = 2,506,049,361.69
  5. Step 5: Solve for x
    x = 2,506,049,361.69/57,226.80
  6. Step 6: Final answer
    x = 43,791.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.