Home / 123,828.36-185,717.88-60,621.36

Finding the Fourth Proportional to 123,828.36, 185,717.88 and 60,621.36

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Solution

The fourth proportional to 123,828.36, 185,717.88 and 60,621.36 is: 90,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,828.36 : 185,717.88 = 60,621.36 : x
  2. Step 2: Convert to fraction form
    123,828.36/185,717.88 = 60,621.36/x
  3. Step 3: Cross multiply
    123,828.36x = 185,717.88 × 60,621.36
  4. Step 4: Simplify right side
    123,828.36x = 11,258,470,461.92
  5. Step 5: Solve for x
    x = 11,258,470,461.92/123,828.36
  6. Step 6: Final answer
    x = 90,919.97

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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.