Home / 59,917.80-89,895.90-40,218.60

Finding the Fourth Proportional to 59,917.80, 89,895.90 and 40,218.60

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Solution

The fourth proportional to 59,917.80, 89,895.90 and 40,218.60 is: 60,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,917.80 : 89,895.90 = 40,218.60 : x
  2. Step 2: Convert to fraction form
    59,917.80/89,895.90 = 40,218.60/x
  3. Step 3: Cross multiply
    59,917.80x = 89,895.90 × 40,218.60
  4. Step 4: Simplify right side
    59,917.80x = 3,615,487,243.74
  5. Step 5: Solve for x
    x = 3,615,487,243.74/59,917.80
  6. Step 6: Final answer
    x = 60,340.79

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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.