Home / 91,286.64-125,971.20-50,999.76

Finding the Fourth Proportional to 91,286.64, 125,971.20 and 50,999.76

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Solution

The fourth proportional to 91,286.64, 125,971.20 and 50,999.76 is: 70,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,286.64 : 125,971.20 = 50,999.76 : x
  2. Step 2: Convert to fraction form
    91,286.64/125,971.20 = 50,999.76/x
  3. Step 3: Cross multiply
    91,286.64x = 125,971.20 × 50,999.76
  4. Step 4: Simplify right side
    91,286.64x = 6,424,500,966.91
  5. Step 5: Solve for x
    x = 6,424,500,966.91/91,286.64
  6. Step 6: Final answer
    x = 70,377.23

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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.