Home / 105,563.05-158,345.60-26,677.28

Finding the Fourth Proportional to 105,563.05, 158,345.60 and 26,677.28

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Solution

The fourth proportional to 105,563.05, 158,345.60 and 26,677.28 is: 40,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,563.05 : 158,345.60 = 26,677.28 : x
  2. Step 2: Convert to fraction form
    105,563.05/158,345.60 = 26,677.28/x
  3. Step 3: Cross multiply
    105,563.05x = 158,345.60 × 26,677.28
  4. Step 4: Simplify right side
    105,563.05x = 4,224,230,170.45
  5. Step 5: Solve for x
    x = 4,224,230,170.45/105,563.05
  6. Step 6: Final answer
    x = 40,016.18

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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.