Home / 71,360.08-107,056.52-21,441.12

Finding the Fourth Proportional to 71,360.08, 107,056.52 and 21,441.12

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Solution

The fourth proportional to 71,360.08, 107,056.52 and 21,441.12 is: 32,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,360.08 : 107,056.52 = 21,441.12 : x
  2. Step 2: Convert to fraction form
    71,360.08/107,056.52 = 21,441.12/x
  3. Step 3: Cross multiply
    71,360.08x = 107,056.52 × 21,441.12
  4. Step 4: Simplify right side
    71,360.08x = 2,295,411,692.10
  5. Step 5: Solve for x
    x = 2,295,411,692.10/71,360.08
  6. Step 6: Final answer
    x = 32,166.61

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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.