Home / 74,111.77-111,152.85-26,725.54

Finding the Fourth Proportional to 74,111.77, 111,152.85 and 26,725.54

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Solution

The fourth proportional to 74,111.77, 111,152.85 and 26,725.54 is: 40,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,111.77 : 111,152.85 = 26,725.54 : x
  2. Step 2: Convert to fraction form
    74,111.77/111,152.85 = 26,725.54/x
  3. Step 3: Cross multiply
    74,111.77x = 111,152.85 × 26,725.54
  4. Step 4: Simplify right side
    74,111.77x = 2,970,619,938.79
  5. Step 5: Solve for x
    x = 2,970,619,938.79/74,111.77
  6. Step 6: Final answer
    x = 40,082.97

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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.