Home / 63,928.69-88,221.99-35,636.20

Finding the Fourth Proportional to 63,928.69, 88,221.99 and 35,636.20

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Solution

The fourth proportional to 63,928.69, 88,221.99 and 35,636.20 is: 49,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,928.69 : 88,221.99 = 35,636.20 : x
  2. Step 2: Convert to fraction form
    63,928.69/88,221.99 = 35,636.20/x
  3. Step 3: Cross multiply
    63,928.69x = 88,221.99 × 35,636.20
  4. Step 4: Simplify right side
    63,928.69x = 3,143,896,480.04
  5. Step 5: Solve for x
    x = 3,143,896,480.04/63,928.69
  6. Step 6: Final answer
    x = 49,178.18

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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.