Home / 52,196.46-78,294.68-18,916.47

Finding the Fourth Proportional to 52,196.46, 78,294.68 and 18,916.47

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Solution

The fourth proportional to 52,196.46, 78,294.68 and 18,916.47 is: 28,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,196.46 : 78,294.68 = 18,916.47 : x
  2. Step 2: Convert to fraction form
    52,196.46/78,294.68 = 18,916.47/x
  3. Step 3: Cross multiply
    52,196.46x = 78,294.68 × 18,916.47
  4. Step 4: Simplify right side
    52,196.46x = 1,481,058,479.32
  5. Step 5: Solve for x
    x = 1,481,058,479.32/52,196.46
  6. Step 6: Final answer
    x = 28,374.69

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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.