Home / 48,292.34-72,351.62-45,443.60

Finding the Fourth Proportional to 48,292.34, 72,351.62 and 45,443.60

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Solution

The fourth proportional to 48,292.34, 72,351.62 and 45,443.60 is: 68,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,292.34 : 72,351.62 = 45,443.60 : x
  2. Step 2: Convert to fraction form
    48,292.34/72,351.62 = 45,443.60/x
  3. Step 3: Cross multiply
    48,292.34x = 72,351.62 × 45,443.60
  4. Step 4: Simplify right side
    48,292.34x = 3,287,917,489.66
  5. Step 5: Solve for x
    x = 3,287,917,489.66/48,292.34
  6. Step 6: Final answer
    x = 68,083.63

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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.