Home / 71,359.56-98,382.84-61,395.05

Finding the Fourth Proportional to 71,359.56, 98,382.84 and 61,395.05

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Solution

The fourth proportional to 71,359.56, 98,382.84 and 61,395.05 is: 84,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359.56 : 98,382.84 = 61,395.05 : x
  2. Step 2: Convert to fraction form
    71,359.56/98,382.84 = 61,395.05/x
  3. Step 3: Cross multiply
    71,359.56x = 98,382.84 × 61,395.05
  4. Step 4: Simplify right side
    71,359.56x = 6,040,218,889.03
  5. Step 5: Solve for x
    x = 6,040,218,889.03/71,359.56
  6. Step 6: Final answer
    x = 84,644.84

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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.