Home / 112,270.96-154,933.17-61,283.48

Finding the Fourth Proportional to 112,270.96, 154,933.17 and 61,283.48

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Solution

The fourth proportional to 112,270.96, 154,933.17 and 61,283.48 is: 84,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,270.96 : 154,933.17 = 61,283.48 : x
  2. Step 2: Convert to fraction form
    112,270.96/154,933.17 = 61,283.48/x
  3. Step 3: Cross multiply
    112,270.96x = 154,933.17 × 61,283.48
  4. Step 4: Simplify right side
    112,270.96x = 9,494,843,825.03
  5. Step 5: Solve for x
    x = 9,494,843,825.03/112,270.96
  6. Step 6: Final answer
    x = 84,570.79

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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.