Home / 54,104.32-74,658.63-30,230.47

Finding the Fourth Proportional to 54,104.32, 74,658.63 and 30,230.47

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Solution

The fourth proportional to 54,104.32, 74,658.63 and 30,230.47 is: 41,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,104.32 : 74,658.63 = 30,230.47 : x
  2. Step 2: Convert to fraction form
    54,104.32/74,658.63 = 30,230.47/x
  3. Step 3: Cross multiply
    54,104.32x = 74,658.63 × 30,230.47
  4. Step 4: Simplify right side
    54,104.32x = 2,256,965,474.46
  5. Step 5: Solve for x
    x = 2,256,965,474.46/54,104.32
  6. Step 6: Final answer
    x = 41,715.07

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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.