Home / 66,788.49-92,168.28-36,161.90

Finding the Fourth Proportional to 66,788.49, 92,168.28 and 36,161.90

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Solution

The fourth proportional to 66,788.49, 92,168.28 and 36,161.90 is: 49,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,788.49 : 92,168.28 = 36,161.90 : x
  2. Step 2: Convert to fraction form
    66,788.49/92,168.28 = 36,161.90/x
  3. Step 3: Cross multiply
    66,788.49x = 92,168.28 × 36,161.90
  4. Step 4: Simplify right side
    66,788.49x = 3,332,979,663.69
  5. Step 5: Solve for x
    x = 3,332,979,663.69/66,788.49
  6. Step 6: Final answer
    x = 49,903.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.