Home / 107,028.80-160,641.92-54,476.16

Finding the Fourth Proportional to 107,028.80, 160,641.92 and 54,476.16

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Solution

The fourth proportional to 107,028.80, 160,641.92 and 54,476.16 is: 81,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,028.80 : 160,641.92 = 54,476.16 : x
  2. Step 2: Convert to fraction form
    107,028.80/160,641.92 = 54,476.16/x
  3. Step 3: Cross multiply
    107,028.80x = 160,641.92 × 54,476.16
  4. Step 4: Simplify right side
    107,028.80x = 8,751,154,936.63
  5. Step 5: Solve for x
    x = 8,751,154,936.63/107,028.80
  6. Step 6: Final answer
    x = 81,764.49

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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.