Home / 82,511.50-113,856.40-46,207.88

Finding the Fourth Proportional to 82,511.50, 113,856.40 and 46,207.88

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Solution

The fourth proportional to 82,511.50, 113,856.40 and 46,207.88 is: 63,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,511.50 : 113,856.40 = 46,207.88 : x
  2. Step 2: Convert to fraction form
    82,511.50/113,856.40 = 46,207.88/x
  3. Step 3: Cross multiply
    82,511.50x = 113,856.40 × 46,207.88
  4. Step 4: Simplify right side
    82,511.50x = 5,261,062,868.43
  5. Step 5: Solve for x
    x = 5,261,062,868.43/82,511.50
  6. Step 6: Final answer
    x = 63,761.57

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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.