Home / 55,990-83,984.49-22,702.15

Finding the Fourth Proportional to 55,990, 83,984.49 and 22,702.15

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Solution

The fourth proportional to 55,990, 83,984.49 and 22,702.15 is: 34,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,990 : 83,984.49 = 22,702.15 : x
  2. Step 2: Convert to fraction form
    55,990/83,984.49 = 22,702.15/x
  3. Step 3: Cross multiply
    55,990x = 83,984.49 × 22,702.15
  4. Step 4: Simplify right side
    55,990x = 1,906,628,489.65
  5. Step 5: Solve for x
    x = 1,906,628,489.65/55,990
  6. Step 6: Final answer
    x = 34,053.02

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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.