Home / 54,245.48-74,806.08-42,304.46

Finding the Fourth Proportional to 54,245.48, 74,806.08 and 42,304.46

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Solution

The fourth proportional to 54,245.48, 74,806.08 and 42,304.46 is: 58,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245.48 : 74,806.08 = 42,304.46 : x
  2. Step 2: Convert to fraction form
    54,245.48/74,806.08 = 42,304.46/x
  3. Step 3: Cross multiply
    54,245.48x = 74,806.08 × 42,304.46
  4. Step 4: Simplify right side
    54,245.48x = 3,164,630,819.12
  5. Step 5: Solve for x
    x = 3,164,630,819.12/54,245.48
  6. Step 6: Final answer
    x = 58,339.07

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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.