Home / 82,133.72-113,344.70-44,407.97

Finding the Fourth Proportional to 82,133.72, 113,344.70 and 44,407.97

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Solution

The fourth proportional to 82,133.72, 113,344.70 and 44,407.97 is: 61,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.72 : 113,344.70 = 44,407.97 : x
  2. Step 2: Convert to fraction form
    82,133.72/113,344.70 = 44,407.97/x
  3. Step 3: Cross multiply
    82,133.72x = 113,344.70 × 44,407.97
  4. Step 4: Simplify right side
    82,133.72x = 5,033,408,037.26
  5. Step 5: Solve for x
    x = 5,033,408,037.26/82,133.72
  6. Step 6: Final answer
    x = 61,283.09

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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.