Home / 120,046.64-179,926.11-55,918.35

Finding the Fourth Proportional to 120,046.64, 179,926.11 and 55,918.35

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Solution

The fourth proportional to 120,046.64, 179,926.11 and 55,918.35 is: 83,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,046.64 : 179,926.11 = 55,918.35 : x
  2. Step 2: Convert to fraction form
    120,046.64/179,926.11 = 55,918.35/x
  3. Step 3: Cross multiply
    120,046.64x = 179,926.11 × 55,918.35
  4. Step 4: Simplify right side
    120,046.64x = 10,061,171,193.12
  5. Step 5: Solve for x
    x = 10,061,171,193.12/120,046.64
  6. Step 6: Final answer
    x = 83,810.52

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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.