Home / 54,912.42-75,779.20-29,761.92

Finding the Fourth Proportional to 54,912.42, 75,779.20 and 29,761.92

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Solution

The fourth proportional to 54,912.42, 75,779.20 and 29,761.92 is: 41,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,912.42 : 75,779.20 = 29,761.92 : x
  2. Step 2: Convert to fraction form
    54,912.42/75,779.20 = 29,761.92/x
  3. Step 3: Cross multiply
    54,912.42x = 75,779.20 × 29,761.92
  4. Step 4: Simplify right side
    54,912.42x = 2,255,334,488.06
  5. Step 5: Solve for x
    x = 2,255,334,488.06/54,912.42
  6. Step 6: Final answer
    x = 41,071.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.