Home / 74,905.28-103,360.48-41,369.28

Finding the Fourth Proportional to 74,905.28, 103,360.48 and 41,369.28

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Solution

The fourth proportional to 74,905.28, 103,360.48 and 41,369.28 is: 57,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.28 : 103,360.48 = 41,369.28 : x
  2. Step 2: Convert to fraction form
    74,905.28/103,360.48 = 41,369.28/x
  3. Step 3: Cross multiply
    74,905.28x = 103,360.48 × 41,369.28
  4. Step 4: Simplify right side
    74,905.28x = 4,275,948,638.05
  5. Step 5: Solve for x
    x = 4,275,948,638.05/74,905.28
  6. Step 6: Final answer
    x = 57,084.74

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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.