Home / 64,727.46-89,351.51-43,519.02

Finding the Fourth Proportional to 64,727.46, 89,351.51 and 43,519.02

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Solution

The fourth proportional to 64,727.46, 89,351.51 and 43,519.02 is: 60,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,727.46 : 89,351.51 = 43,519.02 : x
  2. Step 2: Convert to fraction form
    64,727.46/89,351.51 = 43,519.02/x
  3. Step 3: Cross multiply
    64,727.46x = 89,351.51 × 43,519.02
  4. Step 4: Simplify right side
    64,727.46x = 3,888,489,933.13
  5. Step 5: Solve for x
    x = 3,888,489,933.13/64,727.46
  6. Step 6: Final answer
    x = 60,074.82

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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.