Home / 91,426.20-137,145.36-35,266.86

Finding the Fourth Proportional to 91,426.20, 137,145.36 and 35,266.86

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Solution

The fourth proportional to 91,426.20, 137,145.36 and 35,266.86 is: 52,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,426.20 : 137,145.36 = 35,266.86 : x
  2. Step 2: Convert to fraction form
    91,426.20/137,145.36 = 35,266.86/x
  3. Step 3: Cross multiply
    91,426.20x = 137,145.36 × 35,266.86
  4. Step 4: Simplify right side
    91,426.20x = 4,836,686,210.77
  5. Step 5: Solve for x
    x = 4,836,686,210.77/91,426.20
  6. Step 6: Final answer
    x = 52,902.63

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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.