Home / 43,178.08-64,725.60-22,128.08

Finding the Fourth Proportional to 43,178.08, 64,725.60 and 22,128.08

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Solution

The fourth proportional to 43,178.08, 64,725.60 and 22,128.08 is: 33,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.08 : 64,725.60 = 22,128.08 : x
  2. Step 2: Convert to fraction form
    43,178.08/64,725.60 = 22,128.08/x
  3. Step 3: Cross multiply
    43,178.08x = 64,725.60 × 22,128.08
  4. Step 4: Simplify right side
    43,178.08x = 1,432,253,254.85
  5. Step 5: Solve for x
    x = 1,432,253,254.85/43,178.08
  6. Step 6: Final answer
    x = 33,170.84

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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.