Home / 85,848.09-128,736.45-33,227.25

Finding the Fourth Proportional to 85,848.09, 128,736.45 and 33,227.25

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Solution

The fourth proportional to 85,848.09, 128,736.45 and 33,227.25 is: 49,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.09 : 128,736.45 = 33,227.25 : x
  2. Step 2: Convert to fraction form
    85,848.09/128,736.45 = 33,227.25/x
  3. Step 3: Cross multiply
    85,848.09x = 128,736.45 × 33,227.25
  4. Step 4: Simplify right side
    85,848.09x = 4,277,558,208.26
  5. Step 5: Solve for x
    x = 4,277,558,208.26/85,848.09
  6. Step 6: Final answer
    x = 49,827.06

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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.