Home / 59,173.72-81,640.10-39,040.60

Finding the Fourth Proportional to 59,173.72, 81,640.10 and 39,040.60

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Solution

The fourth proportional to 59,173.72, 81,640.10 and 39,040.60 is: 53,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,173.72 : 81,640.10 = 39,040.60 : x
  2. Step 2: Convert to fraction form
    59,173.72/81,640.10 = 39,040.60/x
  3. Step 3: Cross multiply
    59,173.72x = 81,640.10 × 39,040.60
  4. Step 4: Simplify right side
    59,173.72x = 3,187,278,488.06
  5. Step 5: Solve for x
    x = 3,187,278,488.06/59,173.72
  6. Step 6: Final answer
    x = 53,863.07

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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.