Home / 77,658.64-116,458.40-27,729.44

Finding the Fourth Proportional to 77,658.64, 116,458.40 and 27,729.44

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Solution

The fourth proportional to 77,658.64, 116,458.40 and 27,729.44 is: 41,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,658.64 : 116,458.40 = 27,729.44 : x
  2. Step 2: Convert to fraction form
    77,658.64/116,458.40 = 27,729.44/x
  3. Step 3: Cross multiply
    77,658.64x = 116,458.40 × 27,729.44
  4. Step 4: Simplify right side
    77,658.64x = 3,229,326,215.30
  5. Step 5: Solve for x
    x = 3,229,326,215.30/77,658.64
  6. Step 6: Final answer
    x = 41,583.61

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1.5x scale

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.