Home / 52,979.24-79,394.96-39,816.20

Finding the Fourth Proportional to 52,979.24, 79,394.96 and 39,816.20

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Solution

The fourth proportional to 52,979.24, 79,394.96 and 39,816.20 is: 59,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.24 : 79,394.96 = 39,816.20 : x
  2. Step 2: Convert to fraction form
    52,979.24/79,394.96 = 39,816.20/x
  3. Step 3: Cross multiply
    52,979.24x = 79,394.96 × 39,816.20
  4. Step 4: Simplify right side
    52,979.24x = 3,161,205,606.35
  5. Step 5: Solve for x
    x = 3,161,205,606.35/52,979.24
  6. Step 6: Final answer
    x = 59,668.76

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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.