Home / 105,047.36-144,990.24-60,361.28

Finding the Fourth Proportional to 105,047.36, 144,990.24 and 60,361.28

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Solution

The fourth proportional to 105,047.36, 144,990.24 and 60,361.28 is: 83,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,047.36 : 144,990.24 = 60,361.28 : x
  2. Step 2: Convert to fraction form
    105,047.36/144,990.24 = 60,361.28/x
  3. Step 3: Cross multiply
    105,047.36x = 144,990.24 × 60,361.28
  4. Step 4: Simplify right side
    105,047.36x = 8,751,796,473.91
  5. Step 5: Solve for x
    x = 8,751,796,473.91/105,047.36
  6. Step 6: Final answer
    x = 83,312.86

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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.