Home / 76,998.09-115,497.43-23,689.70

Finding the Fourth Proportional to 76,998.09, 115,497.43 and 23,689.70

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Solution

The fourth proportional to 76,998.09, 115,497.43 and 23,689.70 is: 35,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998.09 : 115,497.43 = 23,689.70 : x
  2. Step 2: Convert to fraction form
    76,998.09/115,497.43 = 23,689.70/x
  3. Step 3: Cross multiply
    76,998.09x = 115,497.43 × 23,689.70
  4. Step 4: Simplify right side
    76,998.09x = 2,736,099,467.47
  5. Step 5: Solve for x
    x = 2,736,099,467.47/76,998.09
  6. Step 6: Final answer
    x = 35,534.64

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1.5x scale

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.