Home / 69,032.22-103,396.55-57,050.20

Finding the Fourth Proportional to 69,032.22, 103,396.55 and 57,050.20

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Solution

The fourth proportional to 69,032.22, 103,396.55 and 57,050.20 is: 85,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,032.22 : 103,396.55 = 57,050.20 : x
  2. Step 2: Convert to fraction form
    69,032.22/103,396.55 = 57,050.20/x
  3. Step 3: Cross multiply
    69,032.22x = 103,396.55 × 57,050.20
  4. Step 4: Simplify right side
    69,032.22x = 5,898,793,856.81
  5. Step 5: Solve for x
    x = 5,898,793,856.81/69,032.22
  6. Step 6: Final answer
    x = 85,449.86

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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.