Home / 79,493.90-109,677.66-47,651.18

Finding the Fourth Proportional to 79,493.90, 109,677.66 and 47,651.18

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Solution

The fourth proportional to 79,493.90, 109,677.66 and 47,651.18 is: 65,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,493.90 : 109,677.66 = 47,651.18 : x
  2. Step 2: Convert to fraction form
    79,493.90/109,677.66 = 47,651.18/x
  3. Step 3: Cross multiply
    79,493.90x = 109,677.66 × 47,651.18
  4. Step 4: Simplify right side
    79,493.90x = 5,226,269,918.64
  5. Step 5: Solve for x
    x = 5,226,269,918.64/79,493.90
  6. Step 6: Final answer
    x = 65,744.29

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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.