Home / 92,427.40-138,640.65-36,227.80

Finding the Fourth Proportional to 92,427.40, 138,640.65 and 36,227.80

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Solution

The fourth proportional to 92,427.40, 138,640.65 and 36,227.80 is: 54,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,427.40 : 138,640.65 = 36,227.80 : x
  2. Step 2: Convert to fraction form
    92,427.40/138,640.65 = 36,227.80/x
  3. Step 3: Cross multiply
    92,427.40x = 138,640.65 × 36,227.80
  4. Step 4: Simplify right side
    92,427.40x = 5,022,645,740.07
  5. Step 5: Solve for x
    x = 5,022,645,740.07/92,427.40
  6. Step 6: Final answer
    x = 54,341.52

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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.