Home / 91,127.10-125,755.05-50,840.85

Finding the Fourth Proportional to 91,127.10, 125,755.05 and 50,840.85

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Solution

The fourth proportional to 91,127.10, 125,755.05 and 50,840.85 is: 70,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,127.10 : 125,755.05 = 50,840.85 : x
  2. Step 2: Convert to fraction form
    91,127.10/125,755.05 = 50,840.85/x
  3. Step 3: Cross multiply
    91,127.10x = 125,755.05 × 50,840.85
  4. Step 4: Simplify right side
    91,127.10x = 6,393,493,633.79
  5. Step 5: Solve for x
    x = 6,393,493,633.79/91,127.10
  6. Step 6: Final answer
    x = 70,160.18

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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.