Home / 74,373.20-102,606.78-48,893.30

Finding the Fourth Proportional to 74,373.20, 102,606.78 and 48,893.30

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Solution

The fourth proportional to 74,373.20, 102,606.78 and 48,893.30 is: 67,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,373.20 : 102,606.78 = 48,893.30 : x
  2. Step 2: Convert to fraction form
    74,373.20/102,606.78 = 48,893.30/x
  3. Step 3: Cross multiply
    74,373.20x = 102,606.78 × 48,893.30
  4. Step 4: Simplify right side
    74,373.20x = 5,016,784,076.57
  5. Step 5: Solve for x
    x = 5,016,784,076.57/74,373.20
  6. Step 6: Final answer
    x = 67,454.19

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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.