Home / 112,083.09-154,595.52-66,725.94

Finding the Fourth Proportional to 112,083.09, 154,595.52 and 66,725.94

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Solution

The fourth proportional to 112,083.09, 154,595.52 and 66,725.94 is: 92,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,083.09 : 154,595.52 = 66,725.94 : x
  2. Step 2: Convert to fraction form
    112,083.09/154,595.52 = 66,725.94/x
  3. Step 3: Cross multiply
    112,083.09x = 154,595.52 × 66,725.94
  4. Step 4: Simplify right side
    112,083.09x = 10,315,531,391.79
  5. Step 5: Solve for x
    x = 10,315,531,391.79/112,083.09
  6. Step 6: Final answer
    x = 92,034.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.