Home / 55,455.36-83,104.44-42,917.04

Finding the Fourth Proportional to 55,455.36, 83,104.44 and 42,917.04

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Solution

The fourth proportional to 55,455.36, 83,104.44 and 42,917.04 is: 64,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455.36 : 83,104.44 = 42,917.04 : x
  2. Step 2: Convert to fraction form
    55,455.36/83,104.44 = 42,917.04/x
  3. Step 3: Cross multiply
    55,455.36x = 83,104.44 × 42,917.04
  4. Step 4: Simplify right side
    55,455.36x = 3,566,596,575.66
  5. Step 5: Solve for x
    x = 3,566,596,575.66/55,455.36
  6. Step 6: Final answer
    x = 64,314.73

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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.