Home / 63,120.96-87,171.75-52,404.66

Finding the Fourth Proportional to 63,120.96, 87,171.75 and 52,404.66

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Solution

The fourth proportional to 63,120.96, 87,171.75 and 52,404.66 is: 72,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,120.96 : 87,171.75 = 52,404.66 : x
  2. Step 2: Convert to fraction form
    63,120.96/87,171.75 = 52,404.66/x
  3. Step 3: Cross multiply
    63,120.96x = 87,171.75 × 52,404.66
  4. Step 4: Simplify right side
    63,120.96x = 4,568,205,920.36
  5. Step 5: Solve for x
    x = 4,568,205,920.36/63,120.96
  6. Step 6: Final answer
    x = 72,372.25

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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.