Home / 92,722.12-139,021.74-33,550

Finding the Fourth Proportional to 92,722.12, 139,021.74 and 33,550

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Solution

The fourth proportional to 92,722.12, 139,021.74 and 33,550 is: 50,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,722.12 : 139,021.74 = 33,550 : x
  2. Step 2: Convert to fraction form
    92,722.12/139,021.74 = 33,550/x
  3. Step 3: Cross multiply
    92,722.12x = 139,021.74 × 33,550
  4. Step 4: Simplify right side
    92,722.12x = 4,664,179,377
  5. Step 5: Solve for x
    x = 4,664,179,377/92,722.12
  6. Step 6: Final answer
    x = 50,302.77

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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.