Home / 64,399.19-88,876.04-35,721.68

Finding the Fourth Proportional to 64,399.19, 88,876.04 and 35,721.68

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Solution

The fourth proportional to 64,399.19, 88,876.04 and 35,721.68 is: 49,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.19 : 88,876.04 = 35,721.68 : x
  2. Step 2: Convert to fraction form
    64,399.19/88,876.04 = 35,721.68/x
  3. Step 3: Cross multiply
    64,399.19x = 88,876.04 × 35,721.68
  4. Step 4: Simplify right side
    64,399.19x = 3,174,800,837.56
  5. Step 5: Solve for x
    x = 3,174,800,837.56/64,399.19
  6. Step 6: Final answer
    x = 49,298.77

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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.