Home / 55,886.70-83,840.42-18,449.38

Finding the Fourth Proportional to 55,886.70, 83,840.42 and 18,449.38

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Solution

The fourth proportional to 55,886.70, 83,840.42 and 18,449.38 is: 27,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.70 : 83,840.42 = 18,449.38 : x
  2. Step 2: Convert to fraction form
    55,886.70/83,840.42 = 18,449.38/x
  3. Step 3: Cross multiply
    55,886.70x = 83,840.42 × 18,449.38
  4. Step 4: Simplify right side
    55,886.70x = 1,546,803,767.94
  5. Step 5: Solve for x
    x = 1,546,803,767.94/55,886.70
  6. Step 6: Final answer
    x = 27,677.49

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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.