Home / 76,007.19-104,919.50-68,035.58

Finding the Fourth Proportional to 76,007.19, 104,919.50 and 68,035.58

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Solution

The fourth proportional to 76,007.19, 104,919.50 and 68,035.58 is: 93,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007.19 : 104,919.50 = 68,035.58 : x
  2. Step 2: Convert to fraction form
    76,007.19/104,919.50 = 68,035.58/x
  3. Step 3: Cross multiply
    76,007.19x = 104,919.50 × 68,035.58
  4. Step 4: Simplify right side
    76,007.19x = 7,138,259,074.75
  5. Step 5: Solve for x
    x = 7,138,259,074.75/76,007.19
  6. Step 6: Final answer
    x = 93,915.57

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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.