Home / 52,986.24-79,405.44-39,823.20

Finding the Fourth Proportional to 52,986.24, 79,405.44 and 39,823.20

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Solution

The fourth proportional to 52,986.24, 79,405.44 and 39,823.20 is: 59,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.24 : 79,405.44 = 39,823.20 : x
  2. Step 2: Convert to fraction form
    52,986.24/79,405.44 = 39,823.20/x
  3. Step 3: Cross multiply
    52,986.24x = 79,405.44 × 39,823.20
  4. Step 4: Simplify right side
    52,986.24x = 3,162,178,718.21
  5. Step 5: Solve for x
    x = 3,162,178,718.21/52,986.24
  6. Step 6: Final answer
    x = 59,679.24

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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.