Home / 91,254.35-125,930.75-50,968.15

Finding the Fourth Proportional to 91,254.35, 125,930.75 and 50,968.15

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Solution

The fourth proportional to 91,254.35, 125,930.75 and 50,968.15 is: 70,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,254.35 : 125,930.75 = 50,968.15 : x
  2. Step 2: Convert to fraction form
    91,254.35/125,930.75 = 50,968.15/x
  3. Step 3: Cross multiply
    91,254.35x = 125,930.75 × 50,968.15
  4. Step 4: Simplify right side
    91,254.35x = 6,418,456,785.94
  5. Step 5: Solve for x
    x = 6,418,456,785.94/91,254.35
  6. Step 6: Final answer
    x = 70,335.90

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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.