Home / 76,697.90-115,046.54-23,389.73

Finding the Fourth Proportional to 76,697.90, 115,046.54 and 23,389.73

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Solution

The fourth proportional to 76,697.90, 115,046.54 and 23,389.73 is: 35,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,697.90 : 115,046.54 = 23,389.73 : x
  2. Step 2: Convert to fraction form
    76,697.90/115,046.54 = 23,389.73/x
  3. Step 3: Cross multiply
    76,697.90x = 115,046.54 × 23,389.73
  4. Step 4: Simplify right side
    76,697.90x = 2,690,907,055.72
  5. Step 5: Solve for x
    x = 2,690,907,055.72/76,697.90
  6. Step 6: Final answer
    x = 35,084.49

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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.