Home / 74,194.53-102,388.10-40,660.53

Finding the Fourth Proportional to 74,194.53, 102,388.10 and 40,660.53

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Solution

The fourth proportional to 74,194.53, 102,388.10 and 40,660.53 is: 56,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.53 : 102,388.10 = 40,660.53 : x
  2. Step 2: Convert to fraction form
    74,194.53/102,388.10 = 40,660.53/x
  3. Step 3: Cross multiply
    74,194.53x = 102,388.10 × 40,660.53
  4. Step 4: Simplify right side
    74,194.53x = 4,163,154,208.39
  5. Step 5: Solve for x
    x = 4,163,154,208.39/74,194.53
  6. Step 6: Final answer
    x = 56,111.34

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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.