Home / 91,898.12-137,855.68-35,742.49

Finding the Fourth Proportional to 91,898.12, 137,855.68 and 35,742.49

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Solution

The fourth proportional to 91,898.12, 137,855.68 and 35,742.49 is: 53,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,898.12 : 137,855.68 = 35,742.49 : x
  2. Step 2: Convert to fraction form
    91,898.12/137,855.68 = 35,742.49/x
  3. Step 3: Cross multiply
    91,898.12x = 137,855.68 × 35,742.49
  4. Step 4: Simplify right side
    91,898.12x = 4,927,305,468.88
  5. Step 5: Solve for x
    x = 4,927,305,468.88/91,898.12
  6. Step 6: Final answer
    x = 53,617.04

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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.