Home / 74,930.64-103,418.76-48,107.04

Finding the Fourth Proportional to 74,930.64, 103,418.76 and 48,107.04

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Solution

The fourth proportional to 74,930.64, 103,418.76 and 48,107.04 is: 66,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.64 : 103,418.76 = 48,107.04 : x
  2. Step 2: Convert to fraction form
    74,930.64/103,418.76 = 48,107.04/x
  3. Step 3: Cross multiply
    74,930.64x = 103,418.76 × 48,107.04
  4. Step 4: Simplify right side
    74,930.64x = 4,975,170,424.07
  5. Step 5: Solve for x
    x = 4,975,170,424.07/74,930.64
  6. Step 6: Final answer
    x = 66,397.01

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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.