Home / 112,878.62-169,304.09-65,519.52

Finding the Fourth Proportional to 112,878.62, 169,304.09 and 65,519.52

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Solution

The fourth proportional to 112,878.62, 169,304.09 and 65,519.52 is: 98,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,878.62 : 169,304.09 = 65,519.52 : x
  2. Step 2: Convert to fraction form
    112,878.62/169,304.09 = 65,519.52/x
  3. Step 3: Cross multiply
    112,878.62x = 169,304.09 × 65,519.52
  4. Step 4: Simplify right side
    112,878.62x = 11,092,722,383.24
  5. Step 5: Solve for x
    x = 11,092,722,383.24/112,878.62
  6. Step 6: Final answer
    x = 98,271.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.