Home / 76,642.24-114,976.32-35,092.48

Finding the Fourth Proportional to 76,642.24, 114,976.32 and 35,092.48

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Solution

The fourth proportional to 76,642.24, 114,976.32 and 35,092.48 is: 52,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,642.24 : 114,976.32 = 35,092.48 : x
  2. Step 2: Convert to fraction form
    76,642.24/114,976.32 = 35,092.48/x
  3. Step 3: Cross multiply
    76,642.24x = 114,976.32 × 35,092.48
  4. Step 4: Simplify right side
    76,642.24x = 4,034,804,210.07
  5. Step 5: Solve for x
    x = 4,034,804,210.07/76,642.24
  6. Step 6: Final answer
    x = 52,644.65

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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.