Home / 79,446.39-109,636.92-43,637.24

Finding the Fourth Proportional to 79,446.39, 109,636.92 and 43,637.24

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Solution

The fourth proportional to 79,446.39, 109,636.92 and 43,637.24 is: 60,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,446.39 : 109,636.92 = 43,637.24 : x
  2. Step 2: Convert to fraction form
    79,446.39/109,636.92 = 43,637.24/x
  3. Step 3: Cross multiply
    79,446.39x = 109,636.92 × 43,637.24
  4. Step 4: Simplify right side
    79,446.39x = 4,784,252,590.90
  5. Step 5: Solve for x
    x = 4,784,252,590.90/79,446.39
  6. Step 6: Final answer
    x = 60,219.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.