Home / 82,343.93-113,621.70-47,896.28

Finding the Fourth Proportional to 82,343.93, 113,621.70 and 47,896.28

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Solution

The fourth proportional to 82,343.93, 113,621.70 and 47,896.28 is: 66,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,343.93 : 113,621.70 = 47,896.28 : x
  2. Step 2: Convert to fraction form
    82,343.93/113,621.70 = 47,896.28/x
  3. Step 3: Cross multiply
    82,343.93x = 113,621.70 × 47,896.28
  4. Step 4: Simplify right side
    82,343.93x = 5,442,056,189.17
  5. Step 5: Solve for x
    x = 5,442,056,189.17/82,343.93
  6. Step 6: Final answer
    x = 66,089.35

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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.