Home / 74,490.40-102,696.13-50,575.56

Finding the Fourth Proportional to 74,490.40, 102,696.13 and 50,575.56

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Solution

The fourth proportional to 74,490.40, 102,696.13 and 50,575.56 is: 69,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490.40 : 102,696.13 = 50,575.56 : x
  2. Step 2: Convert to fraction form
    74,490.40/102,696.13 = 50,575.56/x
  3. Step 3: Cross multiply
    74,490.40x = 102,696.13 × 50,575.56
  4. Step 4: Simplify right side
    74,490.40x = 5,193,914,284.58
  5. Step 5: Solve for x
    x = 5,193,914,284.58/74,490.40
  6. Step 6: Final answer
    x = 69,725.96

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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.