Home / 109,932.50-151,689.57-62,170.58

Finding the Fourth Proportional to 109,932.50, 151,689.57 and 62,170.58

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Solution

The fourth proportional to 109,932.50, 151,689.57 and 62,170.58 is: 85,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,932.50 : 151,689.57 = 62,170.58 : x
  2. Step 2: Convert to fraction form
    109,932.50/151,689.57 = 62,170.58/x
  3. Step 3: Cross multiply
    109,932.50x = 151,689.57 × 62,170.58
  4. Step 4: Simplify right side
    109,932.50x = 9,430,628,546.85
  5. Step 5: Solve for x
    x = 9,430,628,546.85/109,932.50
  6. Step 6: Final answer
    x = 85,785.63

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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.