Home / 68,852.32-102,706.29-67,710.45

Finding the Fourth Proportional to 68,852.32, 102,706.29 and 67,710.45

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Solution

The fourth proportional to 68,852.32, 102,706.29 and 67,710.45 is: 101,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,852.32 : 102,706.29 = 67,710.45 : x
  2. Step 2: Convert to fraction form
    68,852.32/102,706.29 = 67,710.45/x
  3. Step 3: Cross multiply
    68,852.32x = 102,706.29 × 67,710.45
  4. Step 4: Simplify right side
    68,852.32x = 6,954,289,113.73
  5. Step 5: Solve for x
    x = 6,954,289,113.73/68,852.32
  6. Step 6: Final answer
    x = 101,002.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.