Home / 120,594.06-180,926.46-54,019.38

Finding the Fourth Proportional to 120,594.06, 180,926.46 and 54,019.38

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Solution

The fourth proportional to 120,594.06, 180,926.46 and 54,019.38 is: 81,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,594.06 : 180,926.46 = 54,019.38 : x
  2. Step 2: Convert to fraction form
    120,594.06/180,926.46 = 54,019.38/x
  3. Step 3: Cross multiply
    120,594.06x = 180,926.46 × 54,019.38
  4. Step 4: Simplify right side
    120,594.06x = 9,773,535,194.79
  5. Step 5: Solve for x
    x = 9,773,535,194.79/120,594.06
  6. Step 6: Final answer
    x = 81,044.91

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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.