Home / 125,754.41-173,422.45-82,657.75

Finding the Fourth Proportional to 125,754.41, 173,422.45 and 82,657.75

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Solution

The fourth proportional to 125,754.41, 173,422.45 and 82,657.75 is: 113,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,754.41 : 173,422.45 = 82,657.75 : x
  2. Step 2: Convert to fraction form
    125,754.41/173,422.45 = 82,657.75/x
  3. Step 3: Cross multiply
    125,754.41x = 173,422.45 × 82,657.75
  4. Step 4: Simplify right side
    125,754.41x = 14,334,709,516.49
  5. Step 5: Solve for x
    x = 14,334,709,516.49/125,754.41
  6. Step 6: Final answer
    x = 113,989.72

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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.