Home / 91,834.64-126,724.89-51,001.05

Finding the Fourth Proportional to 91,834.64, 126,724.89 and 51,001.05

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Solution

The fourth proportional to 91,834.64, 126,724.89 and 51,001.05 is: 70,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,834.64 : 126,724.89 = 51,001.05 : x
  2. Step 2: Convert to fraction form
    91,834.64/126,724.89 = 51,001.05/x
  3. Step 3: Cross multiply
    91,834.64x = 126,724.89 × 51,001.05
  4. Step 4: Simplify right side
    91,834.64x = 6,463,102,451.13
  5. Step 5: Solve for x
    x = 6,463,102,451.13/91,834.64
  6. Step 6: Final answer
    x = 70,377.61

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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.