Home / 105,249.50-145,244.32-60,537.50

Finding the Fourth Proportional to 105,249.50, 145,244.32 and 60,537.50

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Solution

The fourth proportional to 105,249.50, 145,244.32 and 60,537.50 is: 83,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,249.50 : 145,244.32 = 60,537.50 : x
  2. Step 2: Convert to fraction form
    105,249.50/145,244.32 = 60,537.50/x
  3. Step 3: Cross multiply
    105,249.50x = 145,244.32 × 60,537.50
  4. Step 4: Simplify right side
    105,249.50x = 8,792,728,022
  5. Step 5: Solve for x
    x = 8,792,728,022/105,249.50
  6. Step 6: Final answer
    x = 83,541.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.