Home / 82,282.37-123,398.04-29,685.02

Finding the Fourth Proportional to 82,282.37, 123,398.04 and 29,685.02

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Solution

The fourth proportional to 82,282.37, 123,398.04 and 29,685.02 is: 44,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,282.37 : 123,398.04 = 29,685.02 : x
  2. Step 2: Convert to fraction form
    82,282.37/123,398.04 = 29,685.02/x
  3. Step 3: Cross multiply
    82,282.37x = 123,398.04 × 29,685.02
  4. Step 4: Simplify right side
    82,282.37x = 3,663,073,285.36
  5. Step 5: Solve for x
    x = 3,663,073,285.36/82,282.37
  6. Step 6: Final answer
    x = 44,518.32

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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.