Home / 91,908.86-126,834.73-51,622.63

Finding the Fourth Proportional to 91,908.86, 126,834.73 and 51,622.63

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Solution

The fourth proportional to 91,908.86, 126,834.73 and 51,622.63 is: 71,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,908.86 : 126,834.73 = 51,622.63 : x
  2. Step 2: Convert to fraction form
    91,908.86/126,834.73 = 51,622.63/x
  3. Step 3: Cross multiply
    91,908.86x = 126,834.73 × 51,622.63
  4. Step 4: Simplify right side
    91,908.86x = 6,547,541,891.80
  5. Step 5: Solve for x
    x = 6,547,541,891.80/91,908.86
  6. Step 6: Final answer
    x = 71,239.51

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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.