Home / 76,716.90-115,072.62-23,406.72

Finding the Fourth Proportional to 76,716.90, 115,072.62 and 23,406.72

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Solution

The fourth proportional to 76,716.90, 115,072.62 and 23,406.72 is: 35,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716.90 : 115,072.62 = 23,406.72 : x
  2. Step 2: Convert to fraction form
    76,716.90/115,072.62 = 23,406.72/x
  3. Step 3: Cross multiply
    76,716.90x = 115,072.62 × 23,406.72
  4. Step 4: Simplify right side
    76,716.90x = 2,693,472,921.49
  5. Step 5: Solve for x
    x = 2,693,472,921.49/76,716.90
  6. Step 6: Final answer
    x = 35,109.25

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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.