Home / 63,215.44-87,254.68-39,327.86

Finding the Fourth Proportional to 63,215.44, 87,254.68 and 39,327.86

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Solution

The fourth proportional to 63,215.44, 87,254.68 and 39,327.86 is: 54,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,215.44 : 87,254.68 = 39,327.86 : x
  2. Step 2: Convert to fraction form
    63,215.44/87,254.68 = 39,327.86/x
  3. Step 3: Cross multiply
    63,215.44x = 87,254.68 × 39,327.86
  4. Step 4: Simplify right side
    63,215.44x = 3,431,539,839.38
  5. Step 5: Solve for x
    x = 3,431,539,839.38/63,215.44
  6. Step 6: Final answer
    x = 54,283.25

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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.