Home / 73,042.32-109,563.60-17,638.32

Finding the Fourth Proportional to 73,042.32, 109,563.60 and 17,638.32

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Solution

The fourth proportional to 73,042.32, 109,563.60 and 17,638.32 is: 26,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,042.32 : 109,563.60 = 17,638.32 : x
  2. Step 2: Convert to fraction form
    73,042.32/109,563.60 = 17,638.32/x
  3. Step 3: Cross multiply
    73,042.32x = 109,563.60 × 17,638.32
  4. Step 4: Simplify right side
    73,042.32x = 1,932,517,837.15
  5. Step 5: Solve for x
    x = 1,932,517,837.15/73,042.32
  6. Step 6: Final answer
    x = 26,457.51

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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.