Home / 82,305.11-113,575.16-48,314.98

Finding the Fourth Proportional to 82,305.11, 113,575.16 and 48,314.98

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Solution

The fourth proportional to 82,305.11, 113,575.16 and 48,314.98 is: 66,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,305.11 : 113,575.16 = 48,314.98 : x
  2. Step 2: Convert to fraction form
    82,305.11/113,575.16 = 48,314.98/x
  3. Step 3: Cross multiply
    82,305.11x = 113,575.16 × 48,314.98
  4. Step 4: Simplify right side
    82,305.11x = 5,487,381,846.65
  5. Step 5: Solve for x
    x = 5,487,381,846.65/82,305.11
  6. Step 6: Final answer
    x = 66,671.21

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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.