Home / 120,494.93-180,669.42-53,922.65

Finding the Fourth Proportional to 120,494.93, 180,669.42 and 53,922.65

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Solution

The fourth proportional to 120,494.93, 180,669.42 and 53,922.65 is: 80,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,494.93 : 180,669.42 = 53,922.65 : x
  2. Step 2: Convert to fraction form
    120,494.93/180,669.42 = 53,922.65/x
  3. Step 3: Cross multiply
    120,494.93x = 180,669.42 × 53,922.65
  4. Step 4: Simplify right side
    120,494.93x = 9,742,172,997.02
  5. Step 5: Solve for x
    x = 9,742,172,997.02/120,494.93
  6. Step 6: Final answer
    x = 80,851.31

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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.