Home / 62,878.12-86,770.38-34,583.20

Finding the Fourth Proportional to 62,878.12, 86,770.38 and 34,583.20

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Solution

The fourth proportional to 62,878.12, 86,770.38 and 34,583.20 is: 47,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.12 : 86,770.38 = 34,583.20 : x
  2. Step 2: Convert to fraction form
    62,878.12/86,770.38 = 34,583.20/x
  3. Step 3: Cross multiply
    62,878.12x = 86,770.38 × 34,583.20
  4. Step 4: Simplify right side
    62,878.12x = 3,000,797,405.62
  5. Step 5: Solve for x
    x = 3,000,797,405.62/62,878.12
  6. Step 6: Final answer
    x = 47,724.03

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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.