Home / 70,536.31-105,822.69-26,175.70

Finding the Fourth Proportional to 70,536.31, 105,822.69 and 26,175.70

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Solution

The fourth proportional to 70,536.31, 105,822.69 and 26,175.70 is: 39,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,536.31 : 105,822.69 = 26,175.70 : x
  2. Step 2: Convert to fraction form
    70,536.31/105,822.69 = 26,175.70/x
  3. Step 3: Cross multiply
    70,536.31x = 105,822.69 × 26,175.70
  4. Step 4: Simplify right side
    70,536.31x = 2,769,982,986.63
  5. Step 5: Solve for x
    x = 2,769,982,986.63/70,536.31
  6. Step 6: Final answer
    x = 39,270.31

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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.