Home / 74,976.46-103,460.37-40,982.80

Finding the Fourth Proportional to 74,976.46, 103,460.37 and 40,982.80

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Solution

The fourth proportional to 74,976.46, 103,460.37 and 40,982.80 is: 56,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976.46 : 103,460.37 = 40,982.80 : x
  2. Step 2: Convert to fraction form
    74,976.46/103,460.37 = 40,982.80/x
  3. Step 3: Cross multiply
    74,976.46x = 103,460.37 × 40,982.80
  4. Step 4: Simplify right side
    74,976.46x = 4,240,095,651.64
  5. Step 5: Solve for x
    x = 4,240,095,651.64/74,976.46
  6. Step 6: Final answer
    x = 56,552.36

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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.