Home / 74,830.14-103,268-42,563.92

Finding the Fourth Proportional to 74,830.14, 103,268 and 42,563.92

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Solution

The fourth proportional to 74,830.14, 103,268 and 42,563.92 is: 58,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,830.14 : 103,268 = 42,563.92 : x
  2. Step 2: Convert to fraction form
    74,830.14/103,268 = 42,563.92/x
  3. Step 3: Cross multiply
    74,830.14x = 103,268 × 42,563.92
  4. Step 4: Simplify right side
    74,830.14x = 4,395,490,890.56
  5. Step 5: Solve for x
    x = 4,395,490,890.56/74,830.14
  6. Step 6: Final answer
    x = 58,739.58

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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.