Home / 74,868.36-103,224.96-47,966.64

Finding the Fourth Proportional to 74,868.36, 103,224.96 and 47,966.64

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Solution

The fourth proportional to 74,868.36, 103,224.96 and 47,966.64 is: 66,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868.36 : 103,224.96 = 47,966.64 : x
  2. Step 2: Convert to fraction form
    74,868.36/103,224.96 = 47,966.64/x
  3. Step 3: Cross multiply
    74,868.36x = 103,224.96 × 47,966.64
  4. Step 4: Simplify right side
    74,868.36x = 4,951,354,495.33
  5. Step 5: Solve for x
    x = 4,951,354,495.33/74,868.36
  6. Step 6: Final answer
    x = 66,134.14

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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.