Home / 117,892.11-162,692.49-64,178.07

Finding the Fourth Proportional to 117,892.11, 162,692.49 and 64,178.07

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Solution

The fourth proportional to 117,892.11, 162,692.49 and 64,178.07 is: 88,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.11 : 162,692.49 = 64,178.07 : x
  2. Step 2: Convert to fraction form
    117,892.11/162,692.49 = 64,178.07/x
  3. Step 3: Cross multiply
    117,892.11x = 162,692.49 × 64,178.07
  4. Step 4: Simplify right side
    117,892.11x = 10,441,290,011.69
  5. Step 5: Solve for x
    x = 10,441,290,011.69/117,892.11
  6. Step 6: Final answer
    x = 88,566.49

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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.