Home / 74,971.89-103,420.26-48,084.48

Finding the Fourth Proportional to 74,971.89, 103,420.26 and 48,084.48

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Solution

The fourth proportional to 74,971.89, 103,420.26 and 48,084.48 is: 66,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,971.89 : 103,420.26 = 48,084.48 : x
  2. Step 2: Convert to fraction form
    74,971.89/103,420.26 = 48,084.48/x
  3. Step 3: Cross multiply
    74,971.89x = 103,420.26 × 48,084.48
  4. Step 4: Simplify right side
    74,971.89x = 4,972,909,423.56
  5. Step 5: Solve for x
    x = 4,972,909,423.56/74,971.89
  6. Step 6: Final answer
    x = 66,330.32

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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.