Home / 64,716.19-89,335.89-43,507.75

Finding the Fourth Proportional to 64,716.19, 89,335.89 and 43,507.75

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Solution

The fourth proportional to 64,716.19, 89,335.89 and 43,507.75 is: 60,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,716.19 : 89,335.89 = 43,507.75 : x
  2. Step 2: Convert to fraction form
    64,716.19/89,335.89 = 43,507.75/x
  3. Step 3: Cross multiply
    64,716.19x = 89,335.89 × 43,507.75
  4. Step 4: Simplify right side
    64,716.19x = 3,886,803,568.15
  5. Step 5: Solve for x
    x = 3,886,803,568.15/64,716.19
  6. Step 6: Final answer
    x = 60,059.21

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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.