Home / 43,113.54-64,680.04-13,531.26

Finding the Fourth Proportional to 43,113.54, 64,680.04 and 13,531.26

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Solution

The fourth proportional to 43,113.54, 64,680.04 and 13,531.26 is: 20,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.54 : 64,680.04 = 13,531.26 : x
  2. Step 2: Convert to fraction form
    43,113.54/64,680.04 = 13,531.26/x
  3. Step 3: Cross multiply
    43,113.54x = 64,680.04 × 13,531.26
  4. Step 4: Simplify right side
    43,113.54x = 875,202,438.05
  5. Step 5: Solve for x
    x = 875,202,438.05/43,113.54
  6. Step 6: Final answer
    x = 20,299.94

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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.