Home / 53,964.20-74,469.14-31,301.76

Finding the Fourth Proportional to 53,964.20, 74,469.14 and 31,301.76

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Solution

The fourth proportional to 53,964.20, 74,469.14 and 31,301.76 is: 43,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.20 : 74,469.14 = 31,301.76 : x
  2. Step 2: Convert to fraction form
    53,964.20/74,469.14 = 31,301.76/x
  3. Step 3: Cross multiply
    53,964.20x = 74,469.14 × 31,301.76
  4. Step 4: Simplify right side
    53,964.20x = 2,331,015,147.69
  5. Step 5: Solve for x
    x = 2,331,015,147.69/53,964.20
  6. Step 6: Final answer
    x = 43,195.58

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1.5x scale

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.