Home / 53,011.11-79,517.01-15,571.04

Finding the Fourth Proportional to 53,011.11, 79,517.01 and 15,571.04

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Solution

The fourth proportional to 53,011.11, 79,517.01 and 15,571.04 is: 23,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.11 : 79,517.01 = 15,571.04 : x
  2. Step 2: Convert to fraction form
    53,011.11/79,517.01 = 15,571.04/x
  3. Step 3: Cross multiply
    53,011.11x = 79,517.01 × 15,571.04
  4. Step 4: Simplify right side
    53,011.11x = 1,238,162,340.25
  5. Step 5: Solve for x
    x = 1,238,162,340.25/53,011.11
  6. Step 6: Final answer
    x = 23,356.66

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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.