Home / 71,197.16-106,811.96-37,899.68

Finding the Fourth Proportional to 71,197.16, 106,811.96 and 37,899.68

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Solution

The fourth proportional to 71,197.16, 106,811.96 and 37,899.68 is: 56,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,197.16 : 106,811.96 = 37,899.68 : x
  2. Step 2: Convert to fraction form
    71,197.16/106,811.96 = 37,899.68/x
  3. Step 3: Cross multiply
    71,197.16x = 106,811.96 × 37,899.68
  4. Step 4: Simplify right side
    71,197.16x = 4,048,138,380.61
  5. Step 5: Solve for x
    x = 4,048,138,380.61/71,197.16
  6. Step 6: Final answer
    x = 56,858.15

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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.