Home / 55,732.90-83,600.63-13,613.33

Finding the Fourth Proportional to 55,732.90, 83,600.63 and 13,613.33

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Solution

The fourth proportional to 55,732.90, 83,600.63 and 13,613.33 is: 20,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.90 : 83,600.63 = 13,613.33 : x
  2. Step 2: Convert to fraction form
    55,732.90/83,600.63 = 13,613.33/x
  3. Step 3: Cross multiply
    55,732.90x = 83,600.63 × 13,613.33
  4. Step 4: Simplify right side
    55,732.90x = 1,138,082,964.40
  5. Step 5: Solve for x
    x = 1,138,082,964.40/55,732.90
  6. Step 6: Final answer
    x = 20,420.31

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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.