Home / 82,995.12-114,531.30-50,729.58

Finding the Fourth Proportional to 82,995.12, 114,531.30 and 50,729.58

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Solution

The fourth proportional to 82,995.12, 114,531.30 and 50,729.58 is: 70,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,995.12 : 114,531.30 = 50,729.58 : x
  2. Step 2: Convert to fraction form
    82,995.12/114,531.30 = 50,729.58/x
  3. Step 3: Cross multiply
    82,995.12x = 114,531.30 × 50,729.58
  4. Step 4: Simplify right side
    82,995.12x = 5,810,124,745.85
  5. Step 5: Solve for x
    x = 5,810,124,745.85/82,995.12
  6. Step 6: Final answer
    x = 70,005.62

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1.5x scale

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.