Home / 74,992.46-103,574.68-51,077.66

Finding the Fourth Proportional to 74,992.46, 103,574.68 and 51,077.66

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Solution

The fourth proportional to 74,992.46, 103,574.68 and 51,077.66 is: 70,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,992.46 : 103,574.68 = 51,077.66 : x
  2. Step 2: Convert to fraction form
    74,992.46/103,574.68 = 51,077.66/x
  3. Step 3: Cross multiply
    74,992.46x = 103,574.68 × 51,077.66
  4. Step 4: Simplify right side
    74,992.46x = 5,290,352,289.65
  5. Step 5: Solve for x
    x = 5,290,352,289.65/74,992.46
  6. Step 6: Final answer
    x = 70,545.12

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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.