Home / 53,402.83-80,120.31-15,964.12

Finding the Fourth Proportional to 53,402.83, 80,120.31 and 15,964.12

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Solution

The fourth proportional to 53,402.83, 80,120.31 and 15,964.12 is: 23,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,402.83 : 80,120.31 = 15,964.12 : x
  2. Step 2: Convert to fraction form
    53,402.83/80,120.31 = 15,964.12/x
  3. Step 3: Cross multiply
    53,402.83x = 80,120.31 × 15,964.12
  4. Step 4: Simplify right side
    53,402.83x = 1,279,050,283.56
  5. Step 5: Solve for x
    x = 1,279,050,283.56/53,402.83
  6. Step 6: Final answer
    x = 23,950.98

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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.