Home / 63,015.33-86,963.12-36,162.75

Finding the Fourth Proportional to 63,015.33, 86,963.12 and 36,162.75

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Solution

The fourth proportional to 63,015.33, 86,963.12 and 36,162.75 is: 49,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,015.33 : 86,963.12 = 36,162.75 : x
  2. Step 2: Convert to fraction form
    63,015.33/86,963.12 = 36,162.75/x
  3. Step 3: Cross multiply
    63,015.33x = 86,963.12 × 36,162.75
  4. Step 4: Simplify right side
    63,015.33x = 3,144,825,567.78
  5. Step 5: Solve for x
    x = 3,144,825,567.78/63,015.33
  6. Step 6: Final answer
    x = 49,905.72

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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.