Home / 53,180.24-73,388.45-28,981.19

Finding the Fourth Proportional to 53,180.24, 73,388.45 and 28,981.19

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Solution

The fourth proportional to 53,180.24, 73,388.45 and 28,981.19 is: 39,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.24 : 73,388.45 = 28,981.19 : x
  2. Step 2: Convert to fraction form
    53,180.24/73,388.45 = 28,981.19/x
  3. Step 3: Cross multiply
    53,180.24x = 73,388.45 × 28,981.19
  4. Step 4: Simplify right side
    53,180.24x = 2,126,884,101.41
  5. Step 5: Solve for x
    x = 2,126,884,101.41/53,180.24
  6. Step 6: Final answer
    x = 39,993.88

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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.