Home / 53,133.48-73,321.28-29,255.64

Finding the Fourth Proportional to 53,133.48, 73,321.28 and 29,255.64

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Solution

The fourth proportional to 53,133.48, 73,321.28 and 29,255.64 is: 40,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.48 : 73,321.28 = 29,255.64 : x
  2. Step 2: Convert to fraction form
    53,133.48/73,321.28 = 29,255.64/x
  3. Step 3: Cross multiply
    53,133.48x = 73,321.28 × 29,255.64
  4. Step 4: Simplify right side
    53,133.48x = 2,145,060,972.02
  5. Step 5: Solve for x
    x = 2,145,060,972.02/53,133.48
  6. Step 6: Final answer
    x = 40,371.17

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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.