Home / 74,422.26-102,643.34-48,954.78

Finding the Fourth Proportional to 74,422.26, 102,643.34 and 48,954.78

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Solution

The fourth proportional to 74,422.26, 102,643.34 and 48,954.78 is: 67,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,422.26 : 102,643.34 = 48,954.78 : x
  2. Step 2: Convert to fraction form
    74,422.26/102,643.34 = 48,954.78/x
  3. Step 3: Cross multiply
    74,422.26x = 102,643.34 × 48,954.78
  4. Step 4: Simplify right side
    74,422.26x = 5,024,881,883.39
  5. Step 5: Solve for x
    x = 5,024,881,883.39/74,422.26
  6. Step 6: Final answer
    x = 67,518.53

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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.