Home / 112,012.06-167,993.10-67,577.80

Finding the Fourth Proportional to 112,012.06, 167,993.10 and 67,577.80

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Solution

The fourth proportional to 112,012.06, 167,993.10 and 67,577.80 is: 101,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,012.06 : 167,993.10 = 67,577.80 : x
  2. Step 2: Convert to fraction form
    112,012.06/167,993.10 = 67,577.80/x
  3. Step 3: Cross multiply
    112,012.06x = 167,993.10 × 67,577.80
  4. Step 4: Simplify right side
    112,012.06x = 11,352,604,113.18
  5. Step 5: Solve for x
    x = 11,352,604,113.18/112,012.06
  6. Step 6: Final answer
    x = 101,351.62

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1.5x scale

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.