Home / 53,470.48-73,788.18-30,808.12

Finding the Fourth Proportional to 53,470.48, 73,788.18 and 30,808.12

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Solution

The fourth proportional to 53,470.48, 73,788.18 and 30,808.12 is: 42,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,470.48 : 73,788.18 = 30,808.12 : x
  2. Step 2: Convert to fraction form
    53,470.48/73,788.18 = 30,808.12/x
  3. Step 3: Cross multiply
    53,470.48x = 73,788.18 × 30,808.12
  4. Step 4: Simplify right side
    53,470.48x = 2,273,275,504.92
  5. Step 5: Solve for x
    x = 2,273,275,504.92/53,470.48
  6. Step 6: Final answer
    x = 42,514.59

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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.