Home / 54,375.49-75,048.42-35,479.81

Finding the Fourth Proportional to 54,375.49, 75,048.42 and 35,479.81

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Solution

The fourth proportional to 54,375.49, 75,048.42 and 35,479.81 is: 48,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,375.49 : 75,048.42 = 35,479.81 : x
  2. Step 2: Convert to fraction form
    54,375.49/75,048.42 = 35,479.81/x
  3. Step 3: Cross multiply
    54,375.49x = 75,048.42 × 35,479.81
  4. Step 4: Simplify right side
    54,375.49x = 2,662,703,682.40
  5. Step 5: Solve for x
    x = 2,662,703,682.40/54,375.49
  6. Step 6: Final answer
    x = 48,968.82

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1.5x scale

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.