Home / 92,811.88-139,220.22-29,631.95

Finding the Fourth Proportional to 92,811.88, 139,220.22 and 29,631.95

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Solution

The fourth proportional to 92,811.88, 139,220.22 and 29,631.95 is: 44,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,811.88 : 139,220.22 = 29,631.95 : x
  2. Step 2: Convert to fraction form
    92,811.88/139,220.22 = 29,631.95/x
  3. Step 3: Cross multiply
    92,811.88x = 139,220.22 × 29,631.95
  4. Step 4: Simplify right side
    92,811.88x = 4,125,365,790.81
  5. Step 5: Solve for x
    x = 4,125,365,790.81/92,811.88
  6. Step 6: Final answer
    x = 44,448.68

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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.