Home / 52,474.08-78,690.24-19,186.56

Finding the Fourth Proportional to 52,474.08, 78,690.24 and 19,186.56

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Solution

The fourth proportional to 52,474.08, 78,690.24 and 19,186.56 is: 28,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,474.08 : 78,690.24 = 19,186.56 : x
  2. Step 2: Convert to fraction form
    52,474.08/78,690.24 = 19,186.56/x
  3. Step 3: Cross multiply
    52,474.08x = 78,690.24 × 19,186.56
  4. Step 4: Simplify right side
    52,474.08x = 1,509,795,011.17
  5. Step 5: Solve for x
    x = 1,509,795,011.17/52,474.08
  6. Step 6: Final answer
    x = 28,772.21

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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.