Home / 77,942.66-107,561.99-43,952.76

Finding the Fourth Proportional to 77,942.66, 107,561.99 and 43,952.76

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Solution

The fourth proportional to 77,942.66, 107,561.99 and 43,952.76 is: 60,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,942.66 : 107,561.99 = 43,952.76 : x
  2. Step 2: Convert to fraction form
    77,942.66/107,561.99 = 43,952.76/x
  3. Step 3: Cross multiply
    77,942.66x = 107,561.99 × 43,952.76
  4. Step 4: Simplify right side
    77,942.66x = 4,727,646,441.47
  5. Step 5: Solve for x
    x = 4,727,646,441.47/77,942.66
  6. Step 6: Final answer
    x = 60,655.45

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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.