Home / 77,021.16-115,560.36-47,096.73

Finding the Fourth Proportional to 77,021.16, 115,560.36 and 47,096.73

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Solution

The fourth proportional to 77,021.16, 115,560.36 and 47,096.73 is: 70,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.16 : 115,560.36 = 47,096.73 : x
  2. Step 2: Convert to fraction form
    77,021.16/115,560.36 = 47,096.73/x
  3. Step 3: Cross multiply
    77,021.16x = 115,560.36 × 47,096.73
  4. Step 4: Simplify right side
    77,021.16x = 5,442,515,073.62
  5. Step 5: Solve for x
    x = 5,442,515,073.62/77,021.16
  6. Step 6: Final answer
    x = 70,662.60

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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.