Home / 112,103.03-168,162.74-45,544.41

Finding the Fourth Proportional to 112,103.03, 168,162.74 and 45,544.41

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Solution

The fourth proportional to 112,103.03, 168,162.74 and 45,544.41 is: 68,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103.03 : 168,162.74 = 45,544.41 : x
  2. Step 2: Convert to fraction form
    112,103.03/168,162.74 = 45,544.41/x
  3. Step 3: Cross multiply
    112,103.03x = 168,162.74 × 45,544.41
  4. Step 4: Simplify right side
    112,103.03x = 7,658,872,549.56
  5. Step 5: Solve for x
    x = 7,658,872,549.56/112,103.03
  6. Step 6: Final answer
    x = 68,319.95

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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.