Home / 77,845.50-116,464.68-59,179.50

Finding the Fourth Proportional to 77,845.50, 116,464.68 and 59,179.50

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Solution

The fourth proportional to 77,845.50, 116,464.68 and 59,179.50 is: 88,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,845.50 : 116,464.68 = 59,179.50 : x
  2. Step 2: Convert to fraction form
    77,845.50/116,464.68 = 59,179.50/x
  3. Step 3: Cross multiply
    77,845.50x = 116,464.68 × 59,179.50
  4. Step 4: Simplify right side
    77,845.50x = 6,892,321,530.06
  5. Step 5: Solve for x
    x = 6,892,321,530.06/77,845.50
  6. Step 6: Final answer
    x = 88,538.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.