Home / 91,786.36-126,671.72-51,504

Finding the Fourth Proportional to 91,786.36, 126,671.72 and 51,504

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Solution

The fourth proportional to 91,786.36, 126,671.72 and 51,504 is: 71,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,786.36 : 126,671.72 = 51,504 : x
  2. Step 2: Convert to fraction form
    91,786.36/126,671.72 = 51,504/x
  3. Step 3: Cross multiply
    91,786.36x = 126,671.72 × 51,504
  4. Step 4: Simplify right side
    91,786.36x = 6,524,100,266.88
  5. Step 5: Solve for x
    x = 6,524,100,266.88/91,786.36
  6. Step 6: Final answer
    x = 71,079.19

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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.