Home / 63,856.20-88,121.04-35,561.28

Finding the Fourth Proportional to 63,856.20, 88,121.04 and 35,561.28

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Solution

The fourth proportional to 63,856.20, 88,121.04 and 35,561.28 is: 49,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,856.20 : 88,121.04 = 35,561.28 : x
  2. Step 2: Convert to fraction form
    63,856.20/88,121.04 = 35,561.28/x
  3. Step 3: Cross multiply
    63,856.20x = 88,121.04 × 35,561.28
  4. Step 4: Simplify right side
    63,856.20x = 3,133,696,977.33
  5. Step 5: Solve for x
    x = 3,133,696,977.33/63,856.20
  6. Step 6: Final answer
    x = 49,074.28

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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.