Home / 74,931.54-112,324.25-29,939.48

Finding the Fourth Proportional to 74,931.54, 112,324.25 and 29,939.48

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Solution

The fourth proportional to 74,931.54, 112,324.25 and 29,939.48 is: 44,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.54 : 112,324.25 = 29,939.48 : x
  2. Step 2: Convert to fraction form
    74,931.54/112,324.25 = 29,939.48/x
  3. Step 3: Cross multiply
    74,931.54x = 112,324.25 × 29,939.48
  4. Step 4: Simplify right side
    74,931.54x = 3,362,929,636.39
  5. Step 5: Solve for x
    x = 3,362,929,636.39/74,931.54
  6. Step 6: Final answer
    x = 44,880.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.