Home / 123,870.44-170,943.46-70,166.60

Finding the Fourth Proportional to 123,870.44, 170,943.46 and 70,166.60

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Solution

The fourth proportional to 123,870.44, 170,943.46 and 70,166.60 is: 96,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,870.44 : 170,943.46 = 70,166.60 : x
  2. Step 2: Convert to fraction form
    123,870.44/170,943.46 = 70,166.60/x
  3. Step 3: Cross multiply
    123,870.44x = 170,943.46 × 70,166.60
  4. Step 4: Simplify right side
    123,870.44x = 11,994,521,380.44
  5. Step 5: Solve for x
    x = 11,994,521,380.44/123,870.44
  6. Step 6: Final answer
    x = 96,831.18

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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.