Home / 87,692.11-131,537.34-37,807.45

Finding the Fourth Proportional to 87,692.11, 131,537.34 and 37,807.45

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Solution

The fourth proportional to 87,692.11, 131,537.34 and 37,807.45 is: 56,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692.11 : 131,537.34 = 37,807.45 : x
  2. Step 2: Convert to fraction form
    87,692.11/131,537.34 = 37,807.45/x
  3. Step 3: Cross multiply
    87,692.11x = 131,537.34 × 37,807.45
  4. Step 4: Simplify right side
    87,692.11x = 4,973,091,405.18
  5. Step 5: Solve for x
    x = 4,973,091,405.18/87,692.11
  6. Step 6: Final answer
    x = 56,710.82

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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.