Home / 75,221.05-103,852.32-48,410.26

Finding the Fourth Proportional to 75,221.05, 103,852.32 and 48,410.26

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Solution

The fourth proportional to 75,221.05, 103,852.32 and 48,410.26 is: 66,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,221.05 : 103,852.32 = 48,410.26 : x
  2. Step 2: Convert to fraction form
    75,221.05/103,852.32 = 48,410.26/x
  3. Step 3: Cross multiply
    75,221.05x = 103,852.32 × 48,410.26
  4. Step 4: Simplify right side
    75,221.05x = 5,027,517,812.80
  5. Step 5: Solve for x
    x = 5,027,517,812.80/75,221.05
  6. Step 6: Final answer
    x = 66,836.58

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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.