Home / 112,083.09-154,595.52-66,725.93

Finding the Fourth Proportional to 112,083.09, 154,595.52 and 66,725.93

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Solution

The fourth proportional to 112,083.09, 154,595.52 and 66,725.93 is: 92,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,083.09 : 154,595.52 = 66,725.93 : x
  2. Step 2: Convert to fraction form
    112,083.09/154,595.52 = 66,725.93/x
  3. Step 3: Cross multiply
    112,083.09x = 154,595.52 × 66,725.93
  4. Step 4: Simplify right side
    112,083.09x = 10,315,529,072.86
  5. Step 5: Solve for x
    x = 10,315,529,072.86/112,083.09
  6. Step 6: Final answer
    x = 92,034.66

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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.