Home / 70,968.17-106,449.94-28,835.79

Finding the Fourth Proportional to 70,968.17, 106,449.94 and 28,835.79

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Solution

The fourth proportional to 70,968.17, 106,449.94 and 28,835.79 is: 43,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.17 : 106,449.94 = 28,835.79 : x
  2. Step 2: Convert to fraction form
    70,968.17/106,449.94 = 28,835.79/x
  3. Step 3: Cross multiply
    70,968.17x = 106,449.94 × 28,835.79
  4. Step 4: Simplify right side
    70,968.17x = 3,069,567,971.17
  5. Step 5: Solve for x
    x = 3,069,567,971.17/70,968.17
  6. Step 6: Final answer
    x = 43,252.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.