Home / 112,272.06-168,407.61-45,696.42

Finding the Fourth Proportional to 112,272.06, 168,407.61 and 45,696.42

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Solution

The fourth proportional to 112,272.06, 168,407.61 and 45,696.42 is: 68,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,272.06 : 168,407.61 = 45,696.42 : x
  2. Step 2: Convert to fraction form
    112,272.06/168,407.61 = 45,696.42/x
  3. Step 3: Cross multiply
    112,272.06x = 168,407.61 × 45,696.42
  4. Step 4: Simplify right side
    112,272.06x = 7,695,624,877.76
  5. Step 5: Solve for x
    x = 7,695,624,877.76/112,272.06
  6. Step 6: Final answer
    x = 68,544.43

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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.