Home / 91,935.20-126,868.92-51,101.84

Finding the Fourth Proportional to 91,935.20, 126,868.92 and 51,101.84

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Solution

The fourth proportional to 91,935.20, 126,868.92 and 51,101.84 is: 70,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,935.20 : 126,868.92 = 51,101.84 : x
  2. Step 2: Convert to fraction form
    91,935.20/126,868.92 = 51,101.84/x
  3. Step 3: Cross multiply
    91,935.20x = 126,868.92 × 51,101.84
  4. Step 4: Simplify right side
    91,935.20x = 6,483,235,250.81
  5. Step 5: Solve for x
    x = 6,483,235,250.81/91,935.20
  6. Step 6: Final answer
    x = 70,519.62

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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.