Home / 91,710.20-137,630.64-41,796.92

Finding the Fourth Proportional to 91,710.20, 137,630.64 and 41,796.92

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Solution

The fourth proportional to 91,710.20, 137,630.64 and 41,796.92 is: 62,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,710.20 : 137,630.64 = 41,796.92 : x
  2. Step 2: Convert to fraction form
    91,710.20/137,630.64 = 41,796.92/x
  3. Step 3: Cross multiply
    91,710.20x = 137,630.64 × 41,796.92
  4. Step 4: Simplify right side
    91,710.20x = 5,752,536,849.63
  5. Step 5: Solve for x
    x = 5,752,536,849.63/91,710.20
  6. Step 6: Final answer
    x = 62,725.16

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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.