Home / 74,018.64-102,139.32-41,751.48

Finding the Fourth Proportional to 74,018.64, 102,139.32 and 41,751.48

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Solution

The fourth proportional to 74,018.64, 102,139.32 and 41,751.48 is: 57,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,018.64 : 102,139.32 = 41,751.48 : x
  2. Step 2: Convert to fraction form
    74,018.64/102,139.32 = 41,751.48/x
  3. Step 3: Cross multiply
    74,018.64x = 102,139.32 × 41,751.48
  4. Step 4: Simplify right side
    74,018.64x = 4,264,467,776.19
  5. Step 5: Solve for x
    x = 4,264,467,776.19/74,018.64
  6. Step 6: Final answer
    x = 57,613.43

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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.