Home / 52,121.10-78,181.62-36,607.98

Finding the Fourth Proportional to 52,121.10, 78,181.62 and 36,607.98

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Solution

The fourth proportional to 52,121.10, 78,181.62 and 36,607.98 is: 54,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.10 : 78,181.62 = 36,607.98 : x
  2. Step 2: Convert to fraction form
    52,121.10/78,181.62 = 36,607.98/x
  3. Step 3: Cross multiply
    52,121.10x = 78,181.62 × 36,607.98
  4. Step 4: Simplify right side
    52,121.10x = 2,862,071,181.33
  5. Step 5: Solve for x
    x = 2,862,071,181.33/52,121.10
  6. Step 6: Final answer
    x = 54,911.95

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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.