Home / 74,261.46-102,486.24-42,429.68

Finding the Fourth Proportional to 74,261.46, 102,486.24 and 42,429.68

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Solution

The fourth proportional to 74,261.46, 102,486.24 and 42,429.68 is: 58,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.46 : 102,486.24 = 42,429.68 : x
  2. Step 2: Convert to fraction form
    74,261.46/102,486.24 = 42,429.68/x
  3. Step 3: Cross multiply
    74,261.46x = 102,486.24 × 42,429.68
  4. Step 4: Simplify right side
    74,261.46x = 4,348,458,367.60
  5. Step 5: Solve for x
    x = 4,348,458,367.60/74,261.46
  6. Step 6: Final answer
    x = 58,556.06

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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.