Home / 75,627.32-104,140.60-73,949.05

Finding the Fourth Proportional to 75,627.32, 104,140.60 and 73,949.05

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Solution

The fourth proportional to 75,627.32, 104,140.60 and 73,949.05 is: 101,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,627.32 : 104,140.60 = 73,949.05 : x
  2. Step 2: Convert to fraction form
    75,627.32/104,140.60 = 73,949.05/x
  3. Step 3: Cross multiply
    75,627.32x = 104,140.60 × 73,949.05
  4. Step 4: Simplify right side
    75,627.32x = 7,701,098,797.70
  5. Step 5: Solve for x
    x = 7,701,098,797.70/75,627.32
  6. Step 6: Final answer
    x = 101,829.59

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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.