Home / 62,786.17-94,168.77-20,666.80

Finding the Fourth Proportional to 62,786.17, 94,168.77 and 20,666.80

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Solution

The fourth proportional to 62,786.17, 94,168.77 and 20,666.80 is: 30,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,786.17 : 94,168.77 = 20,666.80 : x
  2. Step 2: Convert to fraction form
    62,786.17/94,168.77 = 20,666.80/x
  3. Step 3: Cross multiply
    62,786.17x = 94,168.77 × 20,666.80
  4. Step 4: Simplify right side
    62,786.17x = 1,946,167,135.84
  5. Step 5: Solve for x
    x = 1,946,167,135.84/62,786.17
  6. Step 6: Final answer
    x = 30,996.75

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1.5x scale

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.