Home / 74,932.62-103,409.64-49,461.36

Finding the Fourth Proportional to 74,932.62, 103,409.64 and 49,461.36

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Solution

The fourth proportional to 74,932.62, 103,409.64 and 49,461.36 is: 68,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.62 : 103,409.64 = 49,461.36 : x
  2. Step 2: Convert to fraction form
    74,932.62/103,409.64 = 49,461.36/x
  3. Step 3: Cross multiply
    74,932.62x = 103,409.64 × 49,461.36
  4. Step 4: Simplify right side
    74,932.62x = 5,114,781,431.51
  5. Step 5: Solve for x
    x = 5,114,781,431.51/74,932.62
  6. Step 6: Final answer
    x = 68,258.41

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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.