Home / 52,491.10-78,713.56-19,202.53

Finding the Fourth Proportional to 52,491.10, 78,713.56 and 19,202.53

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Solution

The fourth proportional to 52,491.10, 78,713.56 and 19,202.53 is: 28,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.10 : 78,713.56 = 19,202.53 : x
  2. Step 2: Convert to fraction form
    52,491.10/78,713.56 = 19,202.53/x
  3. Step 3: Cross multiply
    52,491.10x = 78,713.56 × 19,202.53
  4. Step 4: Simplify right side
    52,491.10x = 1,511,499,497.31
  5. Step 5: Solve for x
    x = 1,511,499,497.31/52,491.10
  6. Step 6: Final answer
    x = 28,795.35

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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.