Home / 82,355.52-113,618.16-53,708.56

Finding the Fourth Proportional to 82,355.52, 113,618.16 and 53,708.56

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Solution

The fourth proportional to 82,355.52, 113,618.16 and 53,708.56 is: 74,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355.52 : 113,618.16 = 53,708.56 : x
  2. Step 2: Convert to fraction form
    82,355.52/113,618.16 = 53,708.56/x
  3. Step 3: Cross multiply
    82,355.52x = 113,618.16 × 53,708.56
  4. Step 4: Simplify right side
    82,355.52x = 6,102,267,763.45
  5. Step 5: Solve for x
    x = 6,102,267,763.45/82,355.52
  6. Step 6: Final answer
    x = 74,096.65

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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.