Home / 91,849.73-137,646.27-49,638.80

Finding the Fourth Proportional to 91,849.73, 137,646.27 and 49,638.80

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Solution

The fourth proportional to 91,849.73, 137,646.27 and 49,638.80 is: 74,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,849.73 : 137,646.27 = 49,638.80 : x
  2. Step 2: Convert to fraction form
    91,849.73/137,646.27 = 49,638.80/x
  3. Step 3: Cross multiply
    91,849.73x = 137,646.27 × 49,638.80
  4. Step 4: Simplify right side
    91,849.73x = 6,832,596,011.39
  5. Step 5: Solve for x
    x = 6,832,596,011.39/91,849.73
  6. Step 6: Final answer
    x = 74,388.86

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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.