Home / 74,687.46-103,067.39-40,696.23

Finding the Fourth Proportional to 74,687.46, 103,067.39 and 40,696.23

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Solution

The fourth proportional to 74,687.46, 103,067.39 and 40,696.23 is: 56,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687.46 : 103,067.39 = 40,696.23 : x
  2. Step 2: Convert to fraction form
    74,687.46/103,067.39 = 40,696.23/x
  3. Step 3: Cross multiply
    74,687.46x = 103,067.39 × 40,696.23
  4. Step 4: Simplify right side
    74,687.46x = 4,194,454,005.46
  5. Step 5: Solve for x
    x = 4,194,454,005.46/74,687.46
  6. Step 6: Final answer
    x = 56,160.08

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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.