Home / 63,764.89-87,986.25-38,265.83

Finding the Fourth Proportional to 63,764.89, 87,986.25 and 38,265.83

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Solution

The fourth proportional to 63,764.89, 87,986.25 and 38,265.83 is: 52,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,764.89 : 87,986.25 = 38,265.83 : x
  2. Step 2: Convert to fraction form
    63,764.89/87,986.25 = 38,265.83/x
  3. Step 3: Cross multiply
    63,764.89x = 87,986.25 × 38,265.83
  4. Step 4: Simplify right side
    63,764.89x = 3,366,866,884.84
  5. Step 5: Solve for x
    x = 3,366,866,884.84/63,764.89
  6. Step 6: Final answer
    x = 52,801.27

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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.