Home / 68,332.68-94,296.96-40,057.20

Finding the Fourth Proportional to 68,332.68, 94,296.96 and 40,057.20

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Solution

The fourth proportional to 68,332.68, 94,296.96 and 40,057.20 is: 55,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,332.68 : 94,296.96 = 40,057.20 : x
  2. Step 2: Convert to fraction form
    68,332.68/94,296.96 = 40,057.20/x
  3. Step 3: Cross multiply
    68,332.68x = 94,296.96 × 40,057.20
  4. Step 4: Simplify right side
    68,332.68x = 3,777,272,186.11
  5. Step 5: Solve for x
    x = 3,777,272,186.11/68,332.68
  6. Step 6: Final answer
    x = 55,277.68

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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.