Home / 74,017.72-102,145.26-40,483

Finding the Fourth Proportional to 74,017.72, 102,145.26 and 40,483

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Solution

The fourth proportional to 74,017.72, 102,145.26 and 40,483 is: 55,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.72 : 102,145.26 = 40,483 : x
  2. Step 2: Convert to fraction form
    74,017.72/102,145.26 = 40,483/x
  3. Step 3: Cross multiply
    74,017.72x = 102,145.26 × 40,483
  4. Step 4: Simplify right side
    74,017.72x = 4,135,146,560.58
  5. Step 5: Solve for x
    x = 4,135,146,560.58/74,017.72
  6. Step 6: Final answer
    x = 55,866.98

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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.