Home / 111,274.13-153,558.30-60,972.05

Finding the Fourth Proportional to 111,274.13, 153,558.30 and 60,972.05

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Solution

The fourth proportional to 111,274.13, 153,558.30 and 60,972.05 is: 84,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,274.13 : 153,558.30 = 60,972.05 : x
  2. Step 2: Convert to fraction form
    111,274.13/153,558.30 = 60,972.05/x
  3. Step 3: Cross multiply
    111,274.13x = 153,558.30 × 60,972.05
  4. Step 4: Simplify right side
    111,274.13x = 9,362,763,577.72
  5. Step 5: Solve for x
    x = 9,362,763,577.72/111,274.13
  6. Step 6: Final answer
    x = 84,141.43

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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.