Home / 120,692.17-181,039.59-36,453.05

Finding the Fourth Proportional to 120,692.17, 181,039.59 and 36,453.05

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Solution

The fourth proportional to 120,692.17, 181,039.59 and 36,453.05 is: 54,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,692.17 : 181,039.59 = 36,453.05 : x
  2. Step 2: Convert to fraction form
    120,692.17/181,039.59 = 36,453.05/x
  3. Step 3: Cross multiply
    120,692.17x = 181,039.59 × 36,453.05
  4. Step 4: Simplify right side
    120,692.17x = 6,599,445,043.98
  5. Step 5: Solve for x
    x = 6,599,445,043.98/120,692.17
  6. Step 6: Final answer
    x = 54,679.98

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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.