Home / 91,170.98-125,822.26-50,892.56

Finding the Fourth Proportional to 91,170.98, 125,822.26 and 50,892.56

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Solution

The fourth proportional to 91,170.98, 125,822.26 and 50,892.56 is: 70,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,170.98 : 125,822.26 = 50,892.56 : x
  2. Step 2: Convert to fraction form
    91,170.98/125,822.26 = 50,892.56/x
  3. Step 3: Cross multiply
    91,170.98x = 125,822.26 × 50,892.56
  4. Step 4: Simplify right side
    91,170.98x = 6,403,416,916.39
  5. Step 5: Solve for x
    x = 6,403,416,916.39/91,170.98
  6. Step 6: Final answer
    x = 70,235.25

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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.