Home / 82,378.62-113,679.45-44,652.06

Finding the Fourth Proportional to 82,378.62, 113,679.45 and 44,652.06

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Solution

The fourth proportional to 82,378.62, 113,679.45 and 44,652.06 is: 61,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378.62 : 113,679.45 = 44,652.06 : x
  2. Step 2: Convert to fraction form
    82,378.62/113,679.45 = 44,652.06/x
  3. Step 3: Cross multiply
    82,378.62x = 113,679.45 × 44,652.06
  4. Step 4: Simplify right side
    82,378.62x = 5,076,021,622.17
  5. Step 5: Solve for x
    x = 5,076,021,622.17/82,378.62
  6. Step 6: Final answer
    x = 61,618.19

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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.