Home / 77,922.14-116,854.05-61,475.90

Finding the Fourth Proportional to 77,922.14, 116,854.05 and 61,475.90

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Solution

The fourth proportional to 77,922.14, 116,854.05 and 61,475.90 is: 92,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,922.14 : 116,854.05 = 61,475.90 : x
  2. Step 2: Convert to fraction form
    77,922.14/116,854.05 = 61,475.90/x
  3. Step 3: Cross multiply
    77,922.14x = 116,854.05 × 61,475.90
  4. Step 4: Simplify right side
    77,922.14x = 7,183,708,415.06
  5. Step 5: Solve for x
    x = 7,183,708,415.06/77,922.14
  6. Step 6: Final answer
    x = 92,190.85

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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.