Home / 109,725.36-164,588.04-30,847.56

Finding the Fourth Proportional to 109,725.36, 164,588.04 and 30,847.56

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Solution

The fourth proportional to 109,725.36, 164,588.04 and 30,847.56 is: 46,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725.36 : 164,588.04 = 30,847.56 : x
  2. Step 2: Convert to fraction form
    109,725.36/164,588.04 = 30,847.56/x
  3. Step 3: Cross multiply
    109,725.36x = 164,588.04 × 30,847.56
  4. Step 4: Simplify right side
    109,725.36x = 5,077,139,439.18
  5. Step 5: Solve for x
    x = 5,077,139,439.18/109,725.36
  6. Step 6: Final answer
    x = 46,271.34

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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.