Home / 91,637.37-126,536.57-68,936.91

Finding the Fourth Proportional to 91,637.37, 126,536.57 and 68,936.91

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Solution

The fourth proportional to 91,637.37, 126,536.57 and 68,936.91 is: 95,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637.37 : 126,536.57 = 68,936.91 : x
  2. Step 2: Convert to fraction form
    91,637.37/126,536.57 = 68,936.91/x
  3. Step 3: Cross multiply
    91,637.37x = 126,536.57 × 68,936.91
  4. Step 4: Simplify right side
    91,637.37x = 8,723,039,793.11
  5. Step 5: Solve for x
    x = 8,723,039,793.11/91,637.37
  6. Step 6: Final answer
    x = 95,190.86

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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.