Home / 92,919.22-139,378.86-22,798.53

Finding the Fourth Proportional to 92,919.22, 139,378.86 and 22,798.53

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Solution

The fourth proportional to 92,919.22, 139,378.86 and 22,798.53 is: 34,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,919.22 : 139,378.86 = 22,798.53 : x
  2. Step 2: Convert to fraction form
    92,919.22/139,378.86 = 22,798.53/x
  3. Step 3: Cross multiply
    92,919.22x = 139,378.86 × 22,798.53
  4. Step 4: Simplify right side
    92,919.22x = 3,177,633,121.08
  5. Step 5: Solve for x
    x = 3,177,633,121.08/92,919.22
  6. Step 6: Final answer
    x = 34,197.80

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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.