Home / 74,784.21-103,202.52-40,793.43

Finding the Fourth Proportional to 74,784.21, 103,202.52 and 40,793.43

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Solution

The fourth proportional to 74,784.21, 103,202.52 and 40,793.43 is: 56,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784.21 : 103,202.52 = 40,793.43 : x
  2. Step 2: Convert to fraction form
    74,784.21/103,202.52 = 40,793.43/x
  3. Step 3: Cross multiply
    74,784.21x = 103,202.52 × 40,793.43
  4. Step 4: Simplify right side
    74,784.21x = 4,209,984,775.44
  5. Step 5: Solve for x
    x = 4,209,984,775.44/74,784.21
  6. Step 6: Final answer
    x = 56,295.10

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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.