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Finding the Fourth Proportional to 82,393.66, 113,703.36 and 44,667.90

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Solution

The fourth proportional to 82,393.66, 113,703.36 and 44,667.90 is: 61,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,393.66 : 113,703.36 = 44,667.90 : x
  2. Step 2: Convert to fraction form
    82,393.66/113,703.36 = 44,667.90/x
  3. Step 3: Cross multiply
    82,393.66x = 113,703.36 × 44,667.90
  4. Step 4: Simplify right side
    82,393.66x = 5,078,890,314.14
  5. Step 5: Solve for x
    x = 5,078,890,314.14/82,393.66
  6. Step 6: Final answer
    x = 61,641.76

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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.