Home / 84,042.88-115,979.52-50,509.44

Finding the Fourth Proportional to 84,042.88, 115,979.52 and 50,509.44

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Solution

The fourth proportional to 84,042.88, 115,979.52 and 50,509.44 is: 69,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,042.88 : 115,979.52 = 50,509.44 : x
  2. Step 2: Convert to fraction form
    84,042.88/115,979.52 = 50,509.44/x
  3. Step 3: Cross multiply
    84,042.88x = 115,979.52 × 50,509.44
  4. Step 4: Simplify right side
    84,042.88x = 5,858,060,606.67
  5. Step 5: Solve for x
    x = 5,858,060,606.67/84,042.88
  6. Step 6: Final answer
    x = 69,703.23

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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.