Home / 105,301.52-145,232.48-79,546.02

Finding the Fourth Proportional to 105,301.52, 145,232.48 and 79,546.02

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Solution

The fourth proportional to 105,301.52, 145,232.48 and 79,546.02 is: 109,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,301.52 : 145,232.48 = 79,546.02 : x
  2. Step 2: Convert to fraction form
    105,301.52/145,232.48 = 79,546.02/x
  3. Step 3: Cross multiply
    105,301.52x = 145,232.48 × 79,546.02
  4. Step 4: Simplify right side
    105,301.52x = 11,552,665,361.00
  5. Step 5: Solve for x
    x = 11,552,665,361.00/105,301.52
  6. Step 6: Final answer
    x = 109,710.34

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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.