Home / 63,615.12-87,796.92-38,464.56

Finding the Fourth Proportional to 63,615.12, 87,796.92 and 38,464.56

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Solution

The fourth proportional to 63,615.12, 87,796.92 and 38,464.56 is: 53,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,615.12 : 87,796.92 = 38,464.56 : x
  2. Step 2: Convert to fraction form
    63,615.12/87,796.92 = 38,464.56/x
  3. Step 3: Cross multiply
    63,615.12x = 87,796.92 × 38,464.56
  4. Step 4: Simplify right side
    63,615.12x = 3,377,069,897.16
  5. Step 5: Solve for x
    x = 3,377,069,897.16/63,615.12
  6. Step 6: Final answer
    x = 53,085.96

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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.