Home / 71,211.40-106,661.58-58,692.04

Finding the Fourth Proportional to 71,211.40, 106,661.58 and 58,692.04

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Solution

The fourth proportional to 71,211.40, 106,661.58 and 58,692.04 is: 87,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,211.40 : 106,661.58 = 58,692.04 : x
  2. Step 2: Convert to fraction form
    71,211.40/106,661.58 = 58,692.04/x
  3. Step 3: Cross multiply
    71,211.40x = 106,661.58 × 58,692.04
  4. Step 4: Simplify right side
    71,211.40x = 6,260,185,719.82
  5. Step 5: Solve for x
    x = 6,260,185,719.82/71,211.40
  6. Step 6: Final answer
    x = 87,909.88

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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.