Home / 57,380.16-79,152.66-53,320.86

Finding the Fourth Proportional to 57,380.16, 79,152.66 and 53,320.86

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Solution

The fourth proportional to 57,380.16, 79,152.66 and 53,320.86 is: 73,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.16 : 79,152.66 = 53,320.86 : x
  2. Step 2: Convert to fraction form
    57,380.16/79,152.66 = 53,320.86/x
  3. Step 3: Cross multiply
    57,380.16x = 79,152.66 × 53,320.86
  4. Step 4: Simplify right side
    57,380.16x = 4,220,487,902.49
  5. Step 5: Solve for x
    x = 4,220,487,902.49/57,380.16
  6. Step 6: Final answer
    x = 73,553.09

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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.