Home / 81,096.35-111,913.13-45,286.25

Finding the Fourth Proportional to 81,096.35, 111,913.13 and 45,286.25

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Solution

The fourth proportional to 81,096.35, 111,913.13 and 45,286.25 is: 62,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,096.35 : 111,913.13 = 45,286.25 : x
  2. Step 2: Convert to fraction form
    81,096.35/111,913.13 = 45,286.25/x
  3. Step 3: Cross multiply
    81,096.35x = 111,913.13 × 45,286.25
  4. Step 4: Simplify right side
    81,096.35x = 5,068,125,983.46
  5. Step 5: Solve for x
    x = 5,068,125,983.46/81,096.35
  6. Step 6: Final answer
    x = 62,495.12

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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.