Home / 91,289.27-125,976.86-51,003.33

Finding the Fourth Proportional to 91,289.27, 125,976.86 and 51,003.33

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Solution

The fourth proportional to 91,289.27, 125,976.86 and 51,003.33 is: 70,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,289.27 : 125,976.86 = 51,003.33 : x
  2. Step 2: Convert to fraction form
    91,289.27/125,976.86 = 51,003.33/x
  3. Step 3: Cross multiply
    91,289.27x = 125,976.86 × 51,003.33
  4. Step 4: Simplify right side
    91,289.27x = 6,425,240,058.50
  5. Step 5: Solve for x
    x = 6,425,240,058.50/91,289.27
  6. Step 6: Final answer
    x = 70,383.30

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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.