Home / 74,639.24-103,001.70-41,105

Finding the Fourth Proportional to 74,639.24, 103,001.70 and 41,105

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Solution

The fourth proportional to 74,639.24, 103,001.70 and 41,105 is: 56,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,639.24 : 103,001.70 = 41,105 : x
  2. Step 2: Convert to fraction form
    74,639.24/103,001.70 = 41,105/x
  3. Step 3: Cross multiply
    74,639.24x = 103,001.70 × 41,105
  4. Step 4: Simplify right side
    74,639.24x = 4,233,884,878.50
  5. Step 5: Solve for x
    x = 4,233,884,878.50/74,639.24
  6. Step 6: Final answer
    x = 56,724.65

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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.