Home / 109,245.74-150,753.39-61,497.50

Finding the Fourth Proportional to 109,245.74, 150,753.39 and 61,497.50

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Solution

The fourth proportional to 109,245.74, 150,753.39 and 61,497.50 is: 84,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,245.74 : 150,753.39 = 61,497.50 : x
  2. Step 2: Convert to fraction form
    109,245.74/150,753.39 = 61,497.50/x
  3. Step 3: Cross multiply
    109,245.74x = 150,753.39 × 61,497.50
  4. Step 4: Simplify right side
    109,245.74x = 9,270,956,601.53
  5. Step 5: Solve for x
    x = 9,270,956,601.53/109,245.74
  6. Step 6: Final answer
    x = 84,863.32

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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.