Home / 91,849.86-137,765.07-29,515.50

Finding the Fourth Proportional to 91,849.86, 137,765.07 and 29,515.50

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Solution

The fourth proportional to 91,849.86, 137,765.07 and 29,515.50 is: 44,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,849.86 : 137,765.07 = 29,515.50 : x
  2. Step 2: Convert to fraction form
    91,849.86/137,765.07 = 29,515.50/x
  3. Step 3: Cross multiply
    91,849.86x = 137,765.07 × 29,515.50
  4. Step 4: Simplify right side
    91,849.86x = 4,066,204,923.59
  5. Step 5: Solve for x
    x = 4,066,204,923.59/91,849.86
  6. Step 6: Final answer
    x = 44,270.13

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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.