Home / 76,722.36-115,037.46-29,997.24

Finding the Fourth Proportional to 76,722.36, 115,037.46 and 29,997.24

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Solution

The fourth proportional to 76,722.36, 115,037.46 and 29,997.24 is: 44,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722.36 : 115,037.46 = 29,997.24 : x
  2. Step 2: Convert to fraction form
    76,722.36/115,037.46 = 29,997.24/x
  3. Step 3: Cross multiply
    76,722.36x = 115,037.46 × 29,997.24
  4. Step 4: Simplify right side
    76,722.36x = 3,450,806,296.61
  5. Step 5: Solve for x
    x = 3,450,806,296.61/76,722.36
  6. Step 6: Final answer
    x = 44,977.84

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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.