Home / 64,935.16-89,410.66-55,353.56

Finding the Fourth Proportional to 64,935.16, 89,410.66 and 55,353.56

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Solution

The fourth proportional to 64,935.16, 89,410.66 and 55,353.56 is: 76,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,935.16 : 89,410.66 = 55,353.56 : x
  2. Step 2: Convert to fraction form
    64,935.16/89,410.66 = 55,353.56/x
  3. Step 3: Cross multiply
    64,935.16x = 89,410.66 × 55,353.56
  4. Step 4: Simplify right side
    64,935.16x = 4,949,198,332.95
  5. Step 5: Solve for x
    x = 4,949,198,332.95/64,935.16
  6. Step 6: Final answer
    x = 76,217.54

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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.