Home / 91,135.83-125,767.02-50,847.21

Finding the Fourth Proportional to 91,135.83, 125,767.02 and 50,847.21

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Solution

The fourth proportional to 91,135.83, 125,767.02 and 50,847.21 is: 70,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,135.83 : 125,767.02 = 50,847.21 : x
  2. Step 2: Convert to fraction form
    91,135.83/125,767.02 = 50,847.21/x
  3. Step 3: Cross multiply
    91,135.83x = 125,767.02 × 50,847.21
  4. Step 4: Simplify right side
    91,135.83x = 6,394,902,077.01
  5. Step 5: Solve for x
    x = 6,394,902,077.01/91,135.83
  6. Step 6: Final answer
    x = 70,168.91

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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.