Home / 91,263.30-125,930.94-50,971.92

Finding the Fourth Proportional to 91,263.30, 125,930.94 and 50,971.92

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Solution

The fourth proportional to 91,263.30, 125,930.94 and 50,971.92 is: 70,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,263.30 : 125,930.94 = 50,971.92 : x
  2. Step 2: Convert to fraction form
    91,263.30/125,930.94 = 50,971.92/x
  3. Step 3: Cross multiply
    91,263.30x = 125,930.94 × 50,971.92
  4. Step 4: Simplify right side
    91,263.30x = 6,418,941,799.20
  5. Step 5: Solve for x
    x = 6,418,941,799.20/91,263.30
  6. Step 6: Final answer
    x = 70,334.32

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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.