Home / 91,784.45-137,726.85-35,626.79

Finding the Fourth Proportional to 91,784.45, 137,726.85 and 35,626.79

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Solution

The fourth proportional to 91,784.45, 137,726.85 and 35,626.79 is: 53,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,784.45 : 137,726.85 = 35,626.79 : x
  2. Step 2: Convert to fraction form
    91,784.45/137,726.85 = 35,626.79/x
  3. Step 3: Cross multiply
    91,784.45x = 137,726.85 × 35,626.79
  4. Step 4: Simplify right side
    91,784.45x = 4,906,765,562.31
  5. Step 5: Solve for x
    x = 4,906,765,562.31/91,784.45
  6. Step 6: Final answer
    x = 53,459.66

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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.