Home / 45,741.95-68,691.45-28,076.34

Finding the Fourth Proportional to 45,741.95, 68,691.45 and 28,076.34

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Solution

The fourth proportional to 45,741.95, 68,691.45 and 28,076.34 is: 42,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.95 : 68,691.45 = 28,076.34 : x
  2. Step 2: Convert to fraction form
    45,741.95/68,691.45 = 28,076.34/x
  3. Step 3: Cross multiply
    45,741.95x = 68,691.45 × 28,076.34
  4. Step 4: Simplify right side
    45,741.95x = 1,928,604,631.28
  5. Step 5: Solve for x
    x = 1,928,604,631.28/45,741.95
  6. Step 6: Final answer
    x = 42,162.71

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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.