Home / 68,120.43-93,967.34-40,889.27

Finding the Fourth Proportional to 68,120.43, 93,967.34 and 40,889.27

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Solution

The fourth proportional to 68,120.43, 93,967.34 and 40,889.27 is: 56,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,120.43 : 93,967.34 = 40,889.27 : x
  2. Step 2: Convert to fraction form
    68,120.43/93,967.34 = 40,889.27/x
  3. Step 3: Cross multiply
    68,120.43x = 93,967.34 × 40,889.27
  4. Step 4: Simplify right side
    68,120.43x = 3,842,255,262.16
  5. Step 5: Solve for x
    x = 3,842,255,262.16/68,120.43
  6. Step 6: Final answer
    x = 56,403.86

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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.