Home / 63,720.96-87,934.72-35,426.64

Finding the Fourth Proportional to 63,720.96, 87,934.72 and 35,426.64

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Solution

The fourth proportional to 63,720.96, 87,934.72 and 35,426.64 is: 48,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,720.96 : 87,934.72 = 35,426.64 : x
  2. Step 2: Convert to fraction form
    63,720.96/87,934.72 = 35,426.64/x
  3. Step 3: Cross multiply
    63,720.96x = 87,934.72 × 35,426.64
  4. Step 4: Simplify right side
    63,720.96x = 3,115,231,668.94
  5. Step 5: Solve for x
    x = 3,115,231,668.94/63,720.96
  6. Step 6: Final answer
    x = 48,888.65

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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.