Home / 91,850.22-137,808-39,263.76

Finding the Fourth Proportional to 91,850.22, 137,808 and 39,263.76

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Solution

The fourth proportional to 91,850.22, 137,808 and 39,263.76 is: 58,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,850.22 : 137,808 = 39,263.76 : x
  2. Step 2: Convert to fraction form
    91,850.22/137,808 = 39,263.76/x
  3. Step 3: Cross multiply
    91,850.22x = 137,808 × 39,263.76
  4. Step 4: Simplify right side
    91,850.22x = 5,410,860,238.08
  5. Step 5: Solve for x
    x = 5,410,860,238.08/91,850.22
  6. Step 6: Final answer
    x = 58,909.61

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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.