Home / 57,972.24-80,037-54,398.16

Finding the Fourth Proportional to 57,972.24, 80,037 and 54,398.16

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Solution

The fourth proportional to 57,972.24, 80,037 and 54,398.16 is: 75,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.24 : 80,037 = 54,398.16 : x
  2. Step 2: Convert to fraction form
    57,972.24/80,037 = 54,398.16/x
  3. Step 3: Cross multiply
    57,972.24x = 80,037 × 54,398.16
  4. Step 4: Simplify right side
    57,972.24x = 4,353,865,531.92
  5. Step 5: Solve for x
    x = 4,353,865,531.92/57,972.24
  6. Step 6: Final answer
    x = 75,102.59

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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.