Home / 74,571.34-102,910.61-40,582.02

Finding the Fourth Proportional to 74,571.34, 102,910.61 and 40,582.02

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Solution

The fourth proportional to 74,571.34, 102,910.61 and 40,582.02 is: 56,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.34 : 102,910.61 = 40,582.02 : x
  2. Step 2: Convert to fraction form
    74,571.34/102,910.61 = 40,582.02/x
  3. Step 3: Cross multiply
    74,571.34x = 102,910.61 × 40,582.02
  4. Step 4: Simplify right side
    74,571.34x = 4,176,320,303.68
  5. Step 5: Solve for x
    x = 4,176,320,303.68/74,571.34
  6. Step 6: Final answer
    x = 56,004.36

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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.