Home / 71,606.57-98,814.30-39,777.48

Finding the Fourth Proportional to 71,606.57, 98,814.30 and 39,777.48

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Solution

The fourth proportional to 71,606.57, 98,814.30 and 39,777.48 is: 54,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,606.57 : 98,814.30 = 39,777.48 : x
  2. Step 2: Convert to fraction form
    71,606.57/98,814.30 = 39,777.48/x
  3. Step 3: Cross multiply
    71,606.57x = 98,814.30 × 39,777.48
  4. Step 4: Simplify right side
    71,606.57x = 3,930,583,692.80
  5. Step 5: Solve for x
    x = 3,930,583,692.80/71,606.57
  6. Step 6: Final answer
    x = 54,891.39

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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.