Home / 74,669.68-103,046.28-42,844.24

Finding the Fourth Proportional to 74,669.68, 103,046.28 and 42,844.24

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Solution

The fourth proportional to 74,669.68, 103,046.28 and 42,844.24 is: 59,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669.68 : 103,046.28 = 42,844.24 : x
  2. Step 2: Convert to fraction form
    74,669.68/103,046.28 = 42,844.24/x
  3. Step 3: Cross multiply
    74,669.68x = 103,046.28 × 42,844.24
  4. Step 4: Simplify right side
    74,669.68x = 4,414,939,551.43
  5. Step 5: Solve for x
    x = 4,414,939,551.43/74,669.68
  6. Step 6: Final answer
    x = 59,126.27

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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.