Home / 91,018.73-125,610.11-50,732.75

Finding the Fourth Proportional to 91,018.73, 125,610.11 and 50,732.75

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Solution

The fourth proportional to 91,018.73, 125,610.11 and 50,732.75 is: 70,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,018.73 : 125,610.11 = 50,732.75 : x
  2. Step 2: Convert to fraction form
    91,018.73/125,610.11 = 50,732.75/x
  3. Step 3: Cross multiply
    91,018.73x = 125,610.11 × 50,732.75
  4. Step 4: Simplify right side
    91,018.73x = 6,372,546,308.10
  5. Step 5: Solve for x
    x = 6,372,546,308.10/91,018.73
  6. Step 6: Final answer
    x = 70,013.57

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1.5x scale

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.