Home / 76,037.56-114,130.20-55,112.20

Finding the Fourth Proportional to 76,037.56, 114,130.20 and 55,112.20

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Solution

The fourth proportional to 76,037.56, 114,130.20 and 55,112.20 is: 82,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,037.56 : 114,130.20 = 55,112.20 : x
  2. Step 2: Convert to fraction form
    76,037.56/114,130.20 = 55,112.20/x
  3. Step 3: Cross multiply
    76,037.56x = 114,130.20 × 55,112.20
  4. Step 4: Simplify right side
    76,037.56x = 6,289,966,408.44
  5. Step 5: Solve for x
    x = 6,289,966,408.44/76,037.56
  6. Step 6: Final answer
    x = 82,721.83

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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.