Home / 53,199.09-73,419.14-29,330.43

Finding the Fourth Proportional to 53,199.09, 73,419.14 and 29,330.43

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Solution

The fourth proportional to 53,199.09, 73,419.14 and 29,330.43 is: 40,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,199.09 : 73,419.14 = 29,330.43 : x
  2. Step 2: Convert to fraction form
    53,199.09/73,419.14 = 29,330.43/x
  3. Step 3: Cross multiply
    53,199.09x = 73,419.14 × 29,330.43
  4. Step 4: Simplify right side
    53,199.09x = 2,153,414,799.78
  5. Step 5: Solve for x
    x = 2,153,414,799.78/53,199.09
  6. Step 6: Final answer
    x = 40,478.41

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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.