Home / 79,566.65-109,799.79-43,756.66

Finding the Fourth Proportional to 79,566.65, 109,799.79 and 43,756.66

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Solution

The fourth proportional to 79,566.65, 109,799.79 and 43,756.66 is: 60,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,566.65 : 109,799.79 = 43,756.66 : x
  2. Step 2: Convert to fraction form
    79,566.65/109,799.79 = 43,756.66/x
  3. Step 3: Cross multiply
    79,566.65x = 109,799.79 × 43,756.66
  4. Step 4: Simplify right side
    79,566.65x = 4,804,471,860.32
  5. Step 5: Solve for x
    x = 4,804,471,860.32/79,566.65
  6. Step 6: Final answer
    x = 60,382.99

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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.