Home / 82,339.08-113,537.70-53,605.72

Finding the Fourth Proportional to 82,339.08, 113,537.70 and 53,605.72

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Solution

The fourth proportional to 82,339.08, 113,537.70 and 53,605.72 is: 73,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,339.08 : 113,537.70 = 53,605.72 : x
  2. Step 2: Convert to fraction form
    82,339.08/113,537.70 = 53,605.72/x
  3. Step 3: Cross multiply
    82,339.08x = 113,537.70 × 53,605.72
  4. Step 4: Simplify right side
    82,339.08x = 6,086,270,155.64
  5. Step 5: Solve for x
    x = 6,086,270,155.64/82,339.08
  6. Step 6: Final answer
    x = 73,917.15

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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.