Home / 107,313.40-148,145.78-67,049.51

Finding the Fourth Proportional to 107,313.40, 148,145.78 and 67,049.51

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Solution

The fourth proportional to 107,313.40, 148,145.78 and 67,049.51 is: 92,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,313.40 : 148,145.78 = 67,049.51 : x
  2. Step 2: Convert to fraction form
    107,313.40/148,145.78 = 67,049.51/x
  3. Step 3: Cross multiply
    107,313.40x = 148,145.78 × 67,049.51
  4. Step 4: Simplify right side
    107,313.40x = 9,933,101,957.57
  5. Step 5: Solve for x
    x = 9,933,101,957.57/107,313.40
  6. Step 6: Final answer
    x = 92,561.62

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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.