Home / 86,284.98-129,252.51-44,644.50

Finding the Fourth Proportional to 86,284.98, 129,252.51 and 44,644.50

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Solution

The fourth proportional to 86,284.98, 129,252.51 and 44,644.50 is: 66,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,284.98 : 129,252.51 = 44,644.50 : x
  2. Step 2: Convert to fraction form
    86,284.98/129,252.51 = 44,644.50/x
  3. Step 3: Cross multiply
    86,284.98x = 129,252.51 × 44,644.50
  4. Step 4: Simplify right side
    86,284.98x = 5,770,413,682.70
  5. Step 5: Solve for x
    x = 5,770,413,682.70/86,284.98
  6. Step 6: Final answer
    x = 66,876.22

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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.