Home / 91,101.54-125,725.93-50,821.35

Finding the Fourth Proportional to 91,101.54, 125,725.93 and 50,821.35

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Solution

The fourth proportional to 91,101.54, 125,725.93 and 50,821.35 is: 70,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,101.54 : 125,725.93 = 50,821.35 : x
  2. Step 2: Convert to fraction form
    91,101.54/125,725.93 = 50,821.35/x
  3. Step 3: Cross multiply
    91,101.54x = 125,725.93 × 50,821.35
  4. Step 4: Simplify right side
    91,101.54x = 6,389,561,842.02
  5. Step 5: Solve for x
    x = 6,389,561,842.02/91,101.54
  6. Step 6: Final answer
    x = 70,136.71

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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.