Home / 74,659.65-103,022.82-45,974.71

Finding the Fourth Proportional to 74,659.65, 103,022.82 and 45,974.71

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Solution

The fourth proportional to 74,659.65, 103,022.82 and 45,974.71 is: 63,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659.65 : 103,022.82 = 45,974.71 : x
  2. Step 2: Convert to fraction form
    74,659.65/103,022.82 = 45,974.71/x
  3. Step 3: Cross multiply
    74,659.65x = 103,022.82 × 45,974.71
  4. Step 4: Simplify right side
    74,659.65x = 4,736,444,272.88
  5. Step 5: Solve for x
    x = 4,736,444,272.88/74,659.65
  6. Step 6: Final answer
    x = 63,440.48

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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.