Home / 55,927.98-83,891.94-20,391.96

Finding the Fourth Proportional to 55,927.98, 83,891.94 and 20,391.96

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Solution

The fourth proportional to 55,927.98, 83,891.94 and 20,391.96 is: 30,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,927.98 : 83,891.94 = 20,391.96 : x
  2. Step 2: Convert to fraction form
    55,927.98/83,891.94 = 20,391.96/x
  3. Step 3: Cross multiply
    55,927.98x = 83,891.94 × 20,391.96
  4. Step 4: Simplify right side
    55,927.98x = 1,710,721,084.80
  5. Step 5: Solve for x
    x = 1,710,721,084.80/55,927.98
  6. Step 6: Final answer
    x = 30,587.93

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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.