Home / 91,233.75-125,900.13-50,946.39

Finding the Fourth Proportional to 91,233.75, 125,900.13 and 50,946.39

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Solution

The fourth proportional to 91,233.75, 125,900.13 and 50,946.39 is: 70,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,233.75 : 125,900.13 = 50,946.39 : x
  2. Step 2: Convert to fraction form
    91,233.75/125,900.13 = 50,946.39/x
  3. Step 3: Cross multiply
    91,233.75x = 125,900.13 × 50,946.39
  4. Step 4: Simplify right side
    91,233.75x = 6,414,157,124.03
  5. Step 5: Solve for x
    x = 6,414,157,124.03/91,233.75
  6. Step 6: Final answer
    x = 70,304.65

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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.