Home / 105,839.37-146,033.19-59,899.60

Finding the Fourth Proportional to 105,839.37, 146,033.19 and 59,899.60

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Solution

The fourth proportional to 105,839.37, 146,033.19 and 59,899.60 is: 82,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,839.37 : 146,033.19 = 59,899.60 : x
  2. Step 2: Convert to fraction form
    105,839.37/146,033.19 = 59,899.60/x
  3. Step 3: Cross multiply
    105,839.37x = 146,033.19 × 59,899.60
  4. Step 4: Simplify right side
    105,839.37x = 8,747,329,667.72
  5. Step 5: Solve for x
    x = 8,747,329,667.72/105,839.37
  6. Step 6: Final answer
    x = 82,647.22

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1.5x scale

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.