Home / 74,821.44-103,252-42,989.52

Finding the Fourth Proportional to 74,821.44, 103,252 and 42,989.52

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Solution

The fourth proportional to 74,821.44, 103,252 and 42,989.52 is: 59,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,821.44 : 103,252 = 42,989.52 : x
  2. Step 2: Convert to fraction form
    74,821.44/103,252 = 42,989.52/x
  3. Step 3: Cross multiply
    74,821.44x = 103,252 × 42,989.52
  4. Step 4: Simplify right side
    74,821.44x = 4,438,753,919.04
  5. Step 5: Solve for x
    x = 4,438,753,919.04/74,821.44
  6. Step 6: Final answer
    x = 59,324.63

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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.