Home / 74,068.74-102,228.17-41,813.19

Finding the Fourth Proportional to 74,068.74, 102,228.17 and 41,813.19

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Solution

The fourth proportional to 74,068.74, 102,228.17 and 41,813.19 is: 57,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,068.74 : 102,228.17 = 41,813.19 : x
  2. Step 2: Convert to fraction form
    74,068.74/102,228.17 = 41,813.19/x
  3. Step 3: Cross multiply
    74,068.74x = 102,228.17 × 41,813.19
  4. Step 4: Simplify right side
    74,068.74x = 4,274,485,686.50
  5. Step 5: Solve for x
    x = 4,274,485,686.50/74,068.74
  6. Step 6: Final answer
    x = 57,709.71

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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.