Home / 60,116.16-90,161.94-20,676.35

Finding the Fourth Proportional to 60,116.16, 90,161.94 and 20,676.35

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Solution

The fourth proportional to 60,116.16, 90,161.94 and 20,676.35 is: 31,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,116.16 : 90,161.94 = 20,676.35 : x
  2. Step 2: Convert to fraction form
    60,116.16/90,161.94 = 20,676.35/x
  3. Step 3: Cross multiply
    60,116.16x = 90,161.94 × 20,676.35
  4. Step 4: Simplify right side
    60,116.16x = 1,864,219,828.12
  5. Step 5: Solve for x
    x = 1,864,219,828.12/60,116.16
  6. Step 6: Final answer
    x = 31,010.29

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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.