Home / 83,009.28-114,515.76-51,166.56

Finding the Fourth Proportional to 83,009.28, 114,515.76 and 51,166.56

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Solution

The fourth proportional to 83,009.28, 114,515.76 and 51,166.56 is: 70,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,009.28 : 114,515.76 = 51,166.56 : x
  2. Step 2: Convert to fraction form
    83,009.28/114,515.76 = 51,166.56/x
  3. Step 3: Cross multiply
    83,009.28x = 114,515.76 × 51,166.56
  4. Step 4: Simplify right side
    83,009.28x = 5,859,377,504.99
  5. Step 5: Solve for x
    x = 5,859,377,504.99/83,009.28
  6. Step 6: Final answer
    x = 70,587.02

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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.