Home / 104,786.88-144,603.36-60,072

Finding the Fourth Proportional to 104,786.88, 144,603.36 and 60,072

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Solution

The fourth proportional to 104,786.88, 144,603.36 and 60,072 is: 82,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,786.88 : 144,603.36 = 60,072 : x
  2. Step 2: Convert to fraction form
    104,786.88/144,603.36 = 60,072/x
  3. Step 3: Cross multiply
    104,786.88x = 144,603.36 × 60,072
  4. Step 4: Simplify right side
    104,786.88x = 8,686,613,041.92
  5. Step 5: Solve for x
    x = 8,686,613,041.92/104,786.88
  6. Step 6: Final answer
    x = 82,897.91

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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.