Home / 55,719.38-83,484.72-39,843.81

Finding the Fourth Proportional to 55,719.38, 83,484.72 and 39,843.81

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Solution

The fourth proportional to 55,719.38, 83,484.72 and 39,843.81 is: 59,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,719.38 : 83,484.72 = 39,843.81 : x
  2. Step 2: Convert to fraction form
    55,719.38/83,484.72 = 39,843.81/x
  3. Step 3: Cross multiply
    55,719.38x = 83,484.72 × 39,843.81
  4. Step 4: Simplify right side
    55,719.38x = 3,326,349,321.58
  5. Step 5: Solve for x
    x = 3,326,349,321.58/55,719.38
  6. Step 6: Final answer
    x = 59,698.25

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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.