Home / 86,983.32-120,037.44-48,742.95

Finding the Fourth Proportional to 86,983.32, 120,037.44 and 48,742.95

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Solution

The fourth proportional to 86,983.32, 120,037.44 and 48,742.95 is: 67,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,983.32 : 120,037.44 = 48,742.95 : x
  2. Step 2: Convert to fraction form
    86,983.32/120,037.44 = 48,742.95/x
  3. Step 3: Cross multiply
    86,983.32x = 120,037.44 × 48,742.95
  4. Step 4: Simplify right side
    86,983.32x = 5,850,978,936.05
  5. Step 5: Solve for x
    x = 5,850,978,936.05/86,983.32
  6. Step 6: Final answer
    x = 67,265.53

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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.