Home / 123,721.27-185,519.62-60,446.58

Finding the Fourth Proportional to 123,721.27, 185,519.62 and 60,446.58

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Solution

The fourth proportional to 123,721.27, 185,519.62 and 60,446.58 is: 90,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,721.27 : 185,519.62 = 60,446.58 : x
  2. Step 2: Convert to fraction form
    123,721.27/185,519.62 = 60,446.58/x
  3. Step 3: Cross multiply
    123,721.27x = 185,519.62 × 60,446.58
  4. Step 4: Simplify right side
    123,721.27x = 11,214,025,931.76
  5. Step 5: Solve for x
    x = 11,214,025,931.76/123,721.27
  6. Step 6: Final answer
    x = 90,639.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.