Home / 43,302.73-64,955.92-13,719.91

Finding the Fourth Proportional to 43,302.73, 64,955.92 and 13,719.91

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Solution

The fourth proportional to 43,302.73, 64,955.92 and 13,719.91 is: 20,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.73 : 64,955.92 = 13,719.91 : x
  2. Step 2: Convert to fraction form
    43,302.73/64,955.92 = 13,719.91/x
  3. Step 3: Cross multiply
    43,302.73x = 64,955.92 × 13,719.91
  4. Step 4: Simplify right side
    43,302.73x = 891,189,179.68
  5. Step 5: Solve for x
    x = 891,189,179.68/43,302.73
  6. Step 6: Final answer
    x = 20,580.44

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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.