Home / 66,047.41-91,180.79-50,906.89

Finding the Fourth Proportional to 66,047.41, 91,180.79 and 50,906.89

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Solution

The fourth proportional to 66,047.41, 91,180.79 and 50,906.89 is: 70,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047.41 : 91,180.79 = 50,906.89 : x
  2. Step 2: Convert to fraction form
    66,047.41/91,180.79 = 50,906.89/x
  3. Step 3: Cross multiply
    66,047.41x = 91,180.79 × 50,906.89
  4. Step 4: Simplify right side
    66,047.41x = 4,641,730,446.64
  5. Step 5: Solve for x
    x = 4,641,730,446.64/66,047.41
  6. Step 6: Final answer
    x = 70,278.77

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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.