Home / 64,716.72-89,336.63-43,508.29

Finding the Fourth Proportional to 64,716.72, 89,336.63 and 43,508.29

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Solution

The fourth proportional to 64,716.72, 89,336.63 and 43,508.29 is: 60,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,716.72 : 89,336.63 = 43,508.29 : x
  2. Step 2: Convert to fraction form
    64,716.72/89,336.63 = 43,508.29/x
  3. Step 3: Cross multiply
    64,716.72x = 89,336.63 × 43,508.29
  4. Step 4: Simplify right side
    64,716.72x = 3,886,883,341.44
  5. Step 5: Solve for x
    x = 3,886,883,341.44/64,716.72
  6. Step 6: Final answer
    x = 60,059.96

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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.