Home / 64,725.70-89,349.06-43,517.32

Finding the Fourth Proportional to 64,725.70, 89,349.06 and 43,517.32

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Solution

The fourth proportional to 64,725.70, 89,349.06 and 43,517.32 is: 60,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.70 : 89,349.06 = 43,517.32 : x
  2. Step 2: Convert to fraction form
    64,725.70/89,349.06 = 43,517.32/x
  3. Step 3: Cross multiply
    64,725.70x = 89,349.06 × 43,517.32
  4. Step 4: Simplify right side
    64,725.70x = 3,888,231,635.72
  5. Step 5: Solve for x
    x = 3,888,231,635.72/64,725.70
  6. Step 6: Final answer
    x = 60,072.45

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1.5x scale

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.