Home / 43,302.23-64,955.17-13,719.41

Finding the Fourth Proportional to 43,302.23, 64,955.17 and 13,719.41

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Solution

The fourth proportional to 43,302.23, 64,955.17 and 13,719.41 is: 20,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.23 : 64,955.17 = 13,719.41 : x
  2. Step 2: Convert to fraction form
    43,302.23/64,955.17 = 13,719.41/x
  3. Step 3: Cross multiply
    43,302.23x = 64,955.17 × 13,719.41
  4. Step 4: Simplify right side
    43,302.23x = 891,146,540.25
  5. Step 5: Solve for x
    x = 891,146,540.25/43,302.23
  6. Step 6: Final answer
    x = 20,579.69

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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.