Home / 110,829.80-152,943.06-62,431.88

Finding the Fourth Proportional to 110,829.80, 152,943.06 and 62,431.88

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Solution

The fourth proportional to 110,829.80, 152,943.06 and 62,431.88 is: 86,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,829.80 : 152,943.06 = 62,431.88 : x
  2. Step 2: Convert to fraction form
    110,829.80/152,943.06 = 62,431.88/x
  3. Step 3: Cross multiply
    110,829.80x = 152,943.06 × 62,431.88
  4. Step 4: Simplify right side
    110,829.80x = 9,548,522,768.75
  5. Step 5: Solve for x
    x = 9,548,522,768.75/110,829.80
  6. Step 6: Final answer
    x = 86,154.83

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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.