Home / 85,595.40-128,383.38-33,000.48

Finding the Fourth Proportional to 85,595.40, 128,383.38 and 33,000.48

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Solution

The fourth proportional to 85,595.40, 128,383.38 and 33,000.48 is: 49,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,595.40 : 128,383.38 = 33,000.48 : x
  2. Step 2: Convert to fraction form
    85,595.40/128,383.38 = 33,000.48/x
  3. Step 3: Cross multiply
    85,595.40x = 128,383.38 × 33,000.48
  4. Step 4: Simplify right side
    85,595.40x = 4,236,713,164.02
  5. Step 5: Solve for x
    x = 4,236,713,164.02/85,595.40
  6. Step 6: Final answer
    x = 49,496.97

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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.