Home / 74,610.72-102,962.16-41,076

Finding the Fourth Proportional to 74,610.72, 102,962.16 and 41,076

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Solution

The fourth proportional to 74,610.72, 102,962.16 and 41,076 is: 56,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,610.72 : 102,962.16 = 41,076 : x
  2. Step 2: Convert to fraction form
    74,610.72/102,962.16 = 41,076/x
  3. Step 3: Cross multiply
    74,610.72x = 102,962.16 × 41,076
  4. Step 4: Simplify right side
    74,610.72x = 4,229,273,684.16
  5. Step 5: Solve for x
    x = 4,229,273,684.16/74,610.72
  6. Step 6: Final answer
    x = 56,684.53

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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.