Home / 54,341.43-74,994.81-30,469.65

Finding the Fourth Proportional to 54,341.43, 74,994.81 and 30,469.65

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Solution

The fourth proportional to 54,341.43, 74,994.81 and 30,469.65 is: 42,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.43 : 74,994.81 = 30,469.65 : x
  2. Step 2: Convert to fraction form
    54,341.43/74,994.81 = 30,469.65/x
  3. Step 3: Cross multiply
    54,341.43x = 74,994.81 × 30,469.65
  4. Step 4: Simplify right side
    54,341.43x = 2,285,065,612.52
  5. Step 5: Solve for x
    x = 2,285,065,612.52/54,341.43
  6. Step 6: Final answer
    x = 42,050.16

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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.