Home / 93,726.20-140,433.78-65,965.88

Finding the Fourth Proportional to 93,726.20, 140,433.78 and 65,965.88

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Solution

The fourth proportional to 93,726.20, 140,433.78 and 65,965.88 is: 98,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,726.20 : 140,433.78 = 65,965.88 : x
  2. Step 2: Convert to fraction form
    93,726.20/140,433.78 = 65,965.88/x
  3. Step 3: Cross multiply
    93,726.20x = 140,433.78 × 65,965.88
  4. Step 4: Simplify right side
    93,726.20x = 9,263,837,879.43
  5. Step 5: Solve for x
    x = 9,263,837,879.43/93,726.20
  6. Step 6: Final answer
    x = 98,839.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.