Home / 63,195.45-87,226.52-39,308.55

Finding the Fourth Proportional to 63,195.45, 87,226.52 and 39,308.55

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Solution

The fourth proportional to 63,195.45, 87,226.52 and 39,308.55 is: 54,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,195.45 : 87,226.52 = 39,308.55 : x
  2. Step 2: Convert to fraction form
    63,195.45/87,226.52 = 39,308.55/x
  3. Step 3: Cross multiply
    63,195.45x = 87,226.52 × 39,308.55
  4. Step 4: Simplify right side
    63,195.45x = 3,428,748,022.75
  5. Step 5: Solve for x
    x = 3,428,748,022.75/63,195.45
  6. Step 6: Final answer
    x = 54,256.25

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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.