Home / 92,738.32-138,921.96-42,750.04

Finding the Fourth Proportional to 92,738.32, 138,921.96 and 42,750.04

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Solution

The fourth proportional to 92,738.32, 138,921.96 and 42,750.04 is: 64,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,738.32 : 138,921.96 = 42,750.04 : x
  2. Step 2: Convert to fraction form
    92,738.32/138,921.96 = 42,750.04/x
  3. Step 3: Cross multiply
    92,738.32x = 138,921.96 × 42,750.04
  4. Step 4: Simplify right side
    92,738.32x = 5,938,919,346.88
  5. Step 5: Solve for x
    x = 5,938,919,346.88/92,738.32
  6. Step 6: Final answer
    x = 64,039.54

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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.