Home / 84,466.00-116,512.40-55,785.72

Finding the Fourth Proportional to 84,466.00, 116,512.40 and 55,785.72

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Solution

The fourth proportional to 84,466.00, 116,512.40 and 55,785.72 is: 76,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,466.00 : 116,512.40 = 55,785.72 : x
  2. Step 2: Convert to fraction form
    84,466.00/116,512.40 = 55,785.72/x
  3. Step 3: Cross multiply
    84,466.00x = 116,512.40 × 55,785.72
  4. Step 4: Simplify right side
    84,466.00x = 6,499,728,043.93
  5. Step 5: Solve for x
    x = 6,499,728,043.93/84,466.00
  6. Step 6: Final answer
    x = 76,950.82

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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.