Home / 74,169.44-102,353.04-40,635.36

Finding the Fourth Proportional to 74,169.44, 102,353.04 and 40,635.36

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Solution

The fourth proportional to 74,169.44, 102,353.04 and 40,635.36 is: 56,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169.44 : 102,353.04 = 40,635.36 : x
  2. Step 2: Convert to fraction form
    74,169.44/102,353.04 = 40,635.36/x
  3. Step 3: Cross multiply
    74,169.44x = 102,353.04 × 40,635.36
  4. Step 4: Simplify right side
    74,169.44x = 4,159,152,627.49
  5. Step 5: Solve for x
    x = 4,159,152,627.49/74,169.44
  6. Step 6: Final answer
    x = 56,076.37

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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.