Home / 92,764.82-138,961.74-42,776.48

Finding the Fourth Proportional to 92,764.82, 138,961.74 and 42,776.48

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Solution

The fourth proportional to 92,764.82, 138,961.74 and 42,776.48 is: 64,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,764.82 : 138,961.74 = 42,776.48 : x
  2. Step 2: Convert to fraction form
    92,764.82/138,961.74 = 42,776.48/x
  3. Step 3: Cross multiply
    92,764.82x = 138,961.74 × 42,776.48
  4. Step 4: Simplify right side
    92,764.82x = 5,944,294,091.88
  5. Step 5: Solve for x
    x = 5,944,294,091.88/92,764.82
  6. Step 6: Final answer
    x = 64,079.19

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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.