Home / 53,017.68-73,133.86-31,784.60

Finding the Fourth Proportional to 53,017.68, 73,133.86 and 31,784.60

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Solution

The fourth proportional to 53,017.68, 73,133.86 and 31,784.60 is: 43,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.68 : 73,133.86 = 31,784.60 : x
  2. Step 2: Convert to fraction form
    53,017.68/73,133.86 = 31,784.60/x
  3. Step 3: Cross multiply
    53,017.68x = 73,133.86 × 31,784.60
  4. Step 4: Simplify right side
    53,017.68x = 2,324,530,486.56
  5. Step 5: Solve for x
    x = 2,324,530,486.56/53,017.68
  6. Step 6: Final answer
    x = 43,844.44

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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.