Home / 87,692.43-121,018.29-49,964.25

Finding the Fourth Proportional to 87,692.43, 121,018.29 and 49,964.25

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Solution

The fourth proportional to 87,692.43, 121,018.29 and 49,964.25 is: 68,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692.43 : 121,018.29 = 49,964.25 : x
  2. Step 2: Convert to fraction form
    87,692.43/121,018.29 = 49,964.25/x
  3. Step 3: Cross multiply
    87,692.43x = 121,018.29 × 49,964.25
  4. Step 4: Simplify right side
    87,692.43x = 6,046,588,096.13
  5. Step 5: Solve for x
    x = 6,046,588,096.13/87,692.43
  6. Step 6: Final answer
    x = 68,952.22

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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.