Home / 74,512.44-102,828.42-42,684.12

Finding the Fourth Proportional to 74,512.44, 102,828.42 and 42,684.12

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Solution

The fourth proportional to 74,512.44, 102,828.42 and 42,684.12 is: 58,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,512.44 : 102,828.42 = 42,684.12 : x
  2. Step 2: Convert to fraction form
    74,512.44/102,828.42 = 42,684.12/x
  3. Step 3: Cross multiply
    74,512.44x = 102,828.42 × 42,684.12
  4. Step 4: Simplify right side
    74,512.44x = 4,389,140,618.69
  5. Step 5: Solve for x
    x = 4,389,140,618.69/74,512.44
  6. Step 6: Final answer
    x = 58,904.80

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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.