Home / 53,762.77-80,651.45-18,697.87

Finding the Fourth Proportional to 53,762.77, 80,651.45 and 18,697.87

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Solution

The fourth proportional to 53,762.77, 80,651.45 and 18,697.87 is: 28,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,762.77 : 80,651.45 = 18,697.87 : x
  2. Step 2: Convert to fraction form
    53,762.77/80,651.45 = 18,697.87/x
  3. Step 3: Cross multiply
    53,762.77x = 80,651.45 × 18,697.87
  4. Step 4: Simplify right side
    53,762.77x = 1,508,010,327.41
  5. Step 5: Solve for x
    x = 1,508,010,327.41/53,762.77
  6. Step 6: Final answer
    x = 28,049.34

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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.