Home / 54,061.65-74,605.19-30,188.25

Finding the Fourth Proportional to 54,061.65, 74,605.19 and 30,188.25

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Solution

The fourth proportional to 54,061.65, 74,605.19 and 30,188.25 is: 41,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,061.65 : 74,605.19 = 30,188.25 : x
  2. Step 2: Convert to fraction form
    54,061.65/74,605.19 = 30,188.25/x
  3. Step 3: Cross multiply
    54,061.65x = 74,605.19 × 30,188.25
  4. Step 4: Simplify right side
    54,061.65x = 2,252,199,976.08
  5. Step 5: Solve for x
    x = 2,252,199,976.08/54,061.65
  6. Step 6: Final answer
    x = 41,659.85

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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.