Home / 72,809.16-109,218.68-24,758.19

Finding the Fourth Proportional to 72,809.16, 109,218.68 and 24,758.19

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Solution

The fourth proportional to 72,809.16, 109,218.68 and 24,758.19 is: 37,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,809.16 : 109,218.68 = 24,758.19 : x
  2. Step 2: Convert to fraction form
    72,809.16/109,218.68 = 24,758.19/x
  3. Step 3: Cross multiply
    72,809.16x = 109,218.68 × 24,758.19
  4. Step 4: Simplify right side
    72,809.16x = 2,704,056,830.99
  5. Step 5: Solve for x
    x = 2,704,056,830.99/72,809.16
  6. Step 6: Final answer
    x = 37,138.96

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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.