Home / 90,949.29-136,482.31-60,997.35

Finding the Fourth Proportional to 90,949.29, 136,482.31 and 60,997.35

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Solution

The fourth proportional to 90,949.29, 136,482.31 and 60,997.35 is: 91,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.29 : 136,482.31 = 60,997.35 : x
  2. Step 2: Convert to fraction form
    90,949.29/136,482.31 = 60,997.35/x
  3. Step 3: Cross multiply
    90,949.29x = 136,482.31 × 60,997.35
  4. Step 4: Simplify right side
    90,949.29x = 8,325,058,396.97
  5. Step 5: Solve for x
    x = 8,325,058,396.97/90,949.29
  6. Step 6: Final answer
    x = 91,535.16

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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.