Home / 112,020.48-168,060.80-45,506.88

Finding the Fourth Proportional to 112,020.48, 168,060.80 and 45,506.88

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Solution

The fourth proportional to 112,020.48, 168,060.80 and 45,506.88 is: 68,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.48 : 168,060.80 = 45,506.88 : x
  2. Step 2: Convert to fraction form
    112,020.48/168,060.80 = 45,506.88/x
  3. Step 3: Cross multiply
    112,020.48x = 168,060.80 × 45,506.88
  4. Step 4: Simplify right side
    112,020.48x = 7,647,922,658.30
  5. Step 5: Solve for x
    x = 7,647,922,658.30/112,020.48
  6. Step 6: Final answer
    x = 68,272.54

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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.