Home / 105,724.23-158,497.49-49,534.73

Finding the Fourth Proportional to 105,724.23, 158,497.49 and 49,534.73

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Solution

The fourth proportional to 105,724.23, 158,497.49 and 49,534.73 is: 74,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,724.23 : 158,497.49 = 49,534.73 : x
  2. Step 2: Convert to fraction form
    105,724.23/158,497.49 = 49,534.73/x
  3. Step 3: Cross multiply
    105,724.23x = 158,497.49 × 49,534.73
  4. Step 4: Simplify right side
    105,724.23x = 7,851,130,372.83
  5. Step 5: Solve for x
    x = 7,851,130,372.83/105,724.23
  6. Step 6: Final answer
    x = 74,260.46

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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.