Home / 65,329.20-90,174.60-51,924.24

Finding the Fourth Proportional to 65,329.20, 90,174.60 and 51,924.24

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Solution

The fourth proportional to 65,329.20, 90,174.60 and 51,924.24 is: 71,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,329.20 : 90,174.60 = 51,924.24 : x
  2. Step 2: Convert to fraction form
    65,329.20/90,174.60 = 51,924.24/x
  3. Step 3: Cross multiply
    65,329.20x = 90,174.60 × 51,924.24
  4. Step 4: Simplify right side
    65,329.20x = 4,682,247,572.30
  5. Step 5: Solve for x
    x = 4,682,247,572.30/65,329.20
  6. Step 6: Final answer
    x = 71,671.59

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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.