Home / 73,184.18-109,780.07-20,597.77

Finding the Fourth Proportional to 73,184.18, 109,780.07 and 20,597.77

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Solution

The fourth proportional to 73,184.18, 109,780.07 and 20,597.77 is: 30,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,184.18 : 109,780.07 = 20,597.77 : x
  2. Step 2: Convert to fraction form
    73,184.18/109,780.07 = 20,597.77/x
  3. Step 3: Cross multiply
    73,184.18x = 109,780.07 × 20,597.77
  4. Step 4: Simplify right side
    73,184.18x = 2,261,224,632.44
  5. Step 5: Solve for x
    x = 2,261,224,632.44/73,184.18
  6. Step 6: Final answer
    x = 30,897.72

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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.