Home / 91,126.85-125,755.13-50,840.62

Finding the Fourth Proportional to 91,126.85, 125,755.13 and 50,840.62

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Solution

The fourth proportional to 91,126.85, 125,755.13 and 50,840.62 is: 70,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126.85 : 125,755.13 = 50,840.62 : x
  2. Step 2: Convert to fraction form
    91,126.85/125,755.13 = 50,840.62/x
  3. Step 3: Cross multiply
    91,126.85x = 125,755.13 × 50,840.62
  4. Step 4: Simplify right side
    91,126.85x = 6,393,468,148.60
  5. Step 5: Solve for x
    x = 6,393,468,148.60/91,126.85
  6. Step 6: Final answer
    x = 70,160.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.