Home / 74,735.22-103,076.26-47,880.21

Finding the Fourth Proportional to 74,735.22, 103,076.26 and 47,880.21

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Solution

The fourth proportional to 74,735.22, 103,076.26 and 47,880.21 is: 66,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,735.22 : 103,076.26 = 47,880.21 : x
  2. Step 2: Convert to fraction form
    74,735.22/103,076.26 = 47,880.21/x
  3. Step 3: Cross multiply
    74,735.22x = 103,076.26 × 47,880.21
  4. Step 4: Simplify right side
    74,735.22x = 4,935,312,974.81
  5. Step 5: Solve for x
    x = 4,935,312,974.81/74,735.22
  6. Step 6: Final answer
    x = 66,037.31

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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.