Home / 43,223.36-64,835.04-10,391.36

Finding the Fourth Proportional to 43,223.36, 64,835.04 and 10,391.36

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Solution

The fourth proportional to 43,223.36, 64,835.04 and 10,391.36 is: 15,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,223.36 : 64,835.04 = 10,391.36 : x
  2. Step 2: Convert to fraction form
    43,223.36/64,835.04 = 10,391.36/x
  3. Step 3: Cross multiply
    43,223.36x = 64,835.04 × 10,391.36
  4. Step 4: Simplify right side
    43,223.36x = 673,724,241.25
  5. Step 5: Solve for x
    x = 673,724,241.25/43,223.36
  6. Step 6: Final answer
    x = 15,587.04

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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.