Home / 60,904.96-91,367.92-20,922.04

Finding the Fourth Proportional to 60,904.96, 91,367.92 and 20,922.04

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Solution

The fourth proportional to 60,904.96, 91,367.92 and 20,922.04 is: 31,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,904.96 : 91,367.92 = 20,922.04 : x
  2. Step 2: Convert to fraction form
    60,904.96/91,367.92 = 20,922.04/x
  3. Step 3: Cross multiply
    60,904.96x = 91,367.92 × 20,922.04
  4. Step 4: Simplify right side
    60,904.96x = 1,911,603,276.96
  5. Step 5: Solve for x
    x = 1,911,603,276.96/60,904.96
  6. Step 6: Final answer
    x = 31,386.66

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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.