Home / 117,923.08-162,725.64-66,936.84

Finding the Fourth Proportional to 117,923.08, 162,725.64 and 66,936.84

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Solution

The fourth proportional to 117,923.08, 162,725.64 and 66,936.84 is: 92,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,923.08 : 162,725.64 = 66,936.84 : x
  2. Step 2: Convert to fraction form
    117,923.08/162,725.64 = 66,936.84/x
  3. Step 3: Cross multiply
    117,923.08x = 162,725.64 × 66,936.84
  4. Step 4: Simplify right side
    117,923.08x = 10,892,340,128.58
  5. Step 5: Solve for x
    x = 10,892,340,128.58/117,923.08
  6. Step 6: Final answer
    x = 92,368.18

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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.