Home / 52,198.31-78,259.13-16,639.16

Finding the Fourth Proportional to 52,198.31, 78,259.13 and 16,639.16

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Solution

The fourth proportional to 52,198.31, 78,259.13 and 16,639.16 is: 24,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,198.31 : 78,259.13 = 16,639.16 : x
  2. Step 2: Convert to fraction form
    52,198.31/78,259.13 = 16,639.16/x
  3. Step 3: Cross multiply
    52,198.31x = 78,259.13 × 16,639.16
  4. Step 4: Simplify right side
    52,198.31x = 1,302,166,185.53
  5. Step 5: Solve for x
    x = 1,302,166,185.53/52,198.31
  6. Step 6: Final answer
    x = 24,946.52

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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.