Home / 108,912.06-163,376.28-30,025.62

Finding the Fourth Proportional to 108,912.06, 163,376.28 and 30,025.62

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Solution

The fourth proportional to 108,912.06, 163,376.28 and 30,025.62 is: 45,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,912.06 : 163,376.28 = 30,025.62 : x
  2. Step 2: Convert to fraction form
    108,912.06/163,376.28 = 30,025.62/x
  3. Step 3: Cross multiply
    108,912.06x = 163,376.28 × 30,025.62
  4. Step 4: Simplify right side
    108,912.06x = 4,905,474,100.29
  5. Step 5: Solve for x
    x = 4,905,474,100.29/108,912.06
  6. Step 6: Final answer
    x = 45,040.69

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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.