Home / 63,627.12-87,813.48-38,476.56

Finding the Fourth Proportional to 63,627.12, 87,813.48 and 38,476.56

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Solution

The fourth proportional to 63,627.12, 87,813.48 and 38,476.56 is: 53,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,627.12 : 87,813.48 = 38,476.56 : x
  2. Step 2: Convert to fraction form
    63,627.12/87,813.48 = 38,476.56/x
  3. Step 3: Cross multiply
    63,627.12x = 87,813.48 × 38,476.56
  4. Step 4: Simplify right side
    63,627.12x = 3,378,760,632.03
  5. Step 5: Solve for x
    x = 3,378,760,632.03/63,627.12
  6. Step 6: Final answer
    x = 53,102.52

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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.