Home / 109,956.41-151,740.50-62,219.73

Finding the Fourth Proportional to 109,956.41, 151,740.50 and 62,219.73

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Solution

The fourth proportional to 109,956.41, 151,740.50 and 62,219.73 is: 85,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,956.41 : 151,740.50 = 62,219.73 : x
  2. Step 2: Convert to fraction form
    109,956.41/151,740.50 = 62,219.73/x
  3. Step 3: Cross multiply
    109,956.41x = 151,740.50 × 62,219.73
  4. Step 4: Simplify right side
    109,956.41x = 9,441,252,940.07
  5. Step 5: Solve for x
    x = 9,441,252,940.07/109,956.41
  6. Step 6: Final answer
    x = 85,863.60

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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.