Home / 64,716.12-89,335.81-43,507.69

Finding the Fourth Proportional to 64,716.12, 89,335.81 and 43,507.69

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Solution

The fourth proportional to 64,716.12, 89,335.81 and 43,507.69 is: 60,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,716.12 : 89,335.81 = 43,507.69 : x
  2. Step 2: Convert to fraction form
    64,716.12/89,335.81 = 43,507.69/x
  3. Step 3: Cross multiply
    64,716.12x = 89,335.81 × 43,507.69
  4. Step 4: Simplify right side
    64,716.12x = 3,886,794,395.27
  5. Step 5: Solve for x
    x = 3,886,794,395.27/64,716.12
  6. Step 6: Final answer
    x = 60,059.14

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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.