Home / 43,313.76-64,996.56-39,788.64

Finding the Fourth Proportional to 43,313.76, 64,996.56 and 39,788.64

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Solution

The fourth proportional to 43,313.76, 64,996.56 and 39,788.64 is: 59,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.76 : 64,996.56 = 39,788.64 : x
  2. Step 2: Convert to fraction form
    43,313.76/64,996.56 = 39,788.64/x
  3. Step 3: Cross multiply
    43,313.76x = 64,996.56 × 39,788.64
  4. Step 4: Simplify right side
    43,313.76x = 2,586,124,727.08
  5. Step 5: Solve for x
    x = 2,586,124,727.08/43,313.76
  6. Step 6: Final answer
    x = 59,706.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.