Home / 100,431.05-150,541.40-33,848.17

Finding the Fourth Proportional to 100,431.05, 150,541.40 and 33,848.17

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Solution

The fourth proportional to 100,431.05, 150,541.40 and 33,848.17 is: 50,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,431.05 : 150,541.40 = 33,848.17 : x
  2. Step 2: Convert to fraction form
    100,431.05/150,541.40 = 33,848.17/x
  3. Step 3: Cross multiply
    100,431.05x = 150,541.40 × 33,848.17
  4. Step 4: Simplify right side
    100,431.05x = 5,095,550,607.50
  5. Step 5: Solve for x
    x = 5,095,550,607.50/100,431.05
  6. Step 6: Final answer
    x = 50,736.81

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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.