Home / 80,904.29-111,648.08-45,093.58

Finding the Fourth Proportional to 80,904.29, 111,648.08 and 45,093.58

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Solution

The fourth proportional to 80,904.29, 111,648.08 and 45,093.58 is: 62,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,904.29 : 111,648.08 = 45,093.58 : x
  2. Step 2: Convert to fraction form
    80,904.29/111,648.08 = 45,093.58/x
  3. Step 3: Cross multiply
    80,904.29x = 111,648.08 × 45,093.58
  4. Step 4: Simplify right side
    80,904.29x = 5,034,611,460.94
  5. Step 5: Solve for x
    x = 5,034,611,460.94/80,904.29
  6. Step 6: Final answer
    x = 62,229.23

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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.