Home / 109,251.09-150,766.11-61,504.56

Finding the Fourth Proportional to 109,251.09, 150,766.11 and 61,504.56

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Solution

The fourth proportional to 109,251.09, 150,766.11 and 61,504.56 is: 84,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,251.09 : 150,766.11 = 61,504.56 : x
  2. Step 2: Convert to fraction form
    109,251.09/150,766.11 = 61,504.56/x
  3. Step 3: Cross multiply
    109,251.09x = 150,766.11 × 61,504.56
  4. Step 4: Simplify right side
    109,251.09x = 9,272,803,258.46
  5. Step 5: Solve for x
    x = 9,272,803,258.46/109,251.09
  6. Step 6: Final answer
    x = 84,876.07

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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.