Home / 112,698.74-155,513.48-67,367.72

Finding the Fourth Proportional to 112,698.74, 155,513.48 and 67,367.72

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Solution

The fourth proportional to 112,698.74, 155,513.48 and 67,367.72 is: 92,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,698.74 : 155,513.48 = 67,367.72 : x
  2. Step 2: Convert to fraction form
    112,698.74/155,513.48 = 67,367.72/x
  3. Step 3: Cross multiply
    112,698.74x = 155,513.48 × 67,367.72
  4. Step 4: Simplify right side
    112,698.74x = 10,476,588,576.87
  5. Step 5: Solve for x
    x = 10,476,588,576.87/112,698.74
  6. Step 6: Final answer
    x = 92,961.01

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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.