Home / 120,595.06-180,927.96-54,020.38

Finding the Fourth Proportional to 120,595.06, 180,927.96 and 54,020.38

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Solution

The fourth proportional to 120,595.06, 180,927.96 and 54,020.38 is: 81,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,595.06 : 180,927.96 = 54,020.38 : x
  2. Step 2: Convert to fraction form
    120,595.06/180,927.96 = 54,020.38/x
  3. Step 3: Cross multiply
    120,595.06x = 180,927.96 × 54,020.38
  4. Step 4: Simplify right side
    120,595.06x = 9,773,797,151.82
  5. Step 5: Solve for x
    x = 9,773,797,151.82/120,595.06
  6. Step 6: Final answer
    x = 81,046.41

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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.