Home / 74,560.06-102,893.33-40,568.79

Finding the Fourth Proportional to 74,560.06, 102,893.33 and 40,568.79

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Solution

The fourth proportional to 74,560.06, 102,893.33 and 40,568.79 is: 55,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,560.06 : 102,893.33 = 40,568.79 : x
  2. Step 2: Convert to fraction form
    74,560.06/102,893.33 = 40,568.79/x
  3. Step 3: Cross multiply
    74,560.06x = 102,893.33 × 40,568.79
  4. Step 4: Simplify right side
    74,560.06x = 4,174,257,179.86
  5. Step 5: Solve for x
    x = 4,174,257,179.86/74,560.06
  6. Step 6: Final answer
    x = 55,985.16

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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.