Home / 85,329.24-117,745.02-60,135

Finding the Fourth Proportional to 85,329.24, 117,745.02 and 60,135

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Solution

The fourth proportional to 85,329.24, 117,745.02 and 60,135 is: 82,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,329.24 : 117,745.02 = 60,135 : x
  2. Step 2: Convert to fraction form
    85,329.24/117,745.02 = 60,135/x
  3. Step 3: Cross multiply
    85,329.24x = 117,745.02 × 60,135
  4. Step 4: Simplify right side
    85,329.24x = 7,080,596,777.70
  5. Step 5: Solve for x
    x = 7,080,596,777.70/85,329.24
  6. Step 6: Final answer
    x = 82,979.72

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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.