Home / 74,850.40-103,292.04-43,018.48

Finding the Fourth Proportional to 74,850.40, 103,292.04 and 43,018.48

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Solution

The fourth proportional to 74,850.40, 103,292.04 and 43,018.48 is: 59,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,850.40 : 103,292.04 = 43,018.48 : x
  2. Step 2: Convert to fraction form
    74,850.40/103,292.04 = 43,018.48/x
  3. Step 3: Cross multiply
    74,850.40x = 103,292.04 × 43,018.48
  4. Step 4: Simplify right side
    74,850.40x = 4,443,466,556.90
  5. Step 5: Solve for x
    x = 4,443,466,556.90/74,850.40
  6. Step 6: Final answer
    x = 59,364.63

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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.