Home / 76,416.49-114,640.89-23,112.45

Finding the Fourth Proportional to 76,416.49, 114,640.89 and 23,112.45

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Solution

The fourth proportional to 76,416.49, 114,640.89 and 23,112.45 is: 34,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416.49 : 114,640.89 = 23,112.45 : x
  2. Step 2: Convert to fraction form
    76,416.49/114,640.89 = 23,112.45/x
  3. Step 3: Cross multiply
    76,416.49x = 114,640.89 × 23,112.45
  4. Step 4: Simplify right side
    76,416.49x = 2,649,631,838.08
  5. Step 5: Solve for x
    x = 2,649,631,838.08/76,416.49
  6. Step 6: Final answer
    x = 34,673.56

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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.