Home / 82,490.78-113,837.24-44,765.04

Finding the Fourth Proportional to 82,490.78, 113,837.24 and 44,765.04

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Solution

The fourth proportional to 82,490.78, 113,837.24 and 44,765.04 is: 61,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,490.78 : 113,837.24 = 44,765.04 : x
  2. Step 2: Convert to fraction form
    82,490.78/113,837.24 = 44,765.04/x
  3. Step 3: Cross multiply
    82,490.78x = 113,837.24 × 44,765.04
  4. Step 4: Simplify right side
    82,490.78x = 5,095,928,602.09
  5. Step 5: Solve for x
    x = 5,095,928,602.09/82,490.78
  6. Step 6: Final answer
    x = 61,775.74

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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.