Home / 91,198.58-136,846.02-64,715.70

Finding the Fourth Proportional to 91,198.58, 136,846.02 and 64,715.70

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Solution

The fourth proportional to 91,198.58, 136,846.02 and 64,715.70 is: 97,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,198.58 : 136,846.02 = 64,715.70 : x
  2. Step 2: Convert to fraction form
    91,198.58/136,846.02 = 64,715.70/x
  3. Step 3: Cross multiply
    91,198.58x = 136,846.02 × 64,715.70
  4. Step 4: Simplify right side
    91,198.58x = 8,856,085,976.51
  5. Step 5: Solve for x
    x = 8,856,085,976.51/91,198.58
  6. Step 6: Final answer
    x = 97,107.72

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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.