Home / 92,920.72-139,381.11-22,800.03

Finding the Fourth Proportional to 92,920.72, 139,381.11 and 22,800.03

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Solution

The fourth proportional to 92,920.72, 139,381.11 and 22,800.03 is: 34,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,920.72 : 139,381.11 = 22,800.03 : x
  2. Step 2: Convert to fraction form
    92,920.72/139,381.11 = 22,800.03/x
  3. Step 3: Cross multiply
    92,920.72x = 139,381.11 × 22,800.03
  4. Step 4: Simplify right side
    92,920.72x = 3,177,893,489.43
  5. Step 5: Solve for x
    x = 3,177,893,489.43/92,920.72
  6. Step 6: Final answer
    x = 34,200.05

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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.