Home / 74,284.12-102,504.90-42,446.44

Finding the Fourth Proportional to 74,284.12, 102,504.90 and 42,446.44

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Solution

The fourth proportional to 74,284.12, 102,504.90 and 42,446.44 is: 58,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,284.12 : 102,504.90 = 42,446.44 : x
  2. Step 2: Convert to fraction form
    74,284.12/102,504.90 = 42,446.44/x
  3. Step 3: Cross multiply
    74,284.12x = 102,504.90 × 42,446.44
  4. Step 4: Simplify right side
    74,284.12x = 4,350,968,087.56
  5. Step 5: Solve for x
    x = 4,350,968,087.56/74,284.12
  6. Step 6: Final answer
    x = 58,571.98

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1.5x scale

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.