Home / 85,169.22-127,772.06-26,009.25

Finding the Fourth Proportional to 85,169.22, 127,772.06 and 26,009.25

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Solution

The fourth proportional to 85,169.22, 127,772.06 and 26,009.25 is: 39,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,169.22 : 127,772.06 = 26,009.25 : x
  2. Step 2: Convert to fraction form
    85,169.22/127,772.06 = 26,009.25/x
  3. Step 3: Cross multiply
    85,169.22x = 127,772.06 × 26,009.25
  4. Step 4: Simplify right side
    85,169.22x = 3,323,255,321.51
  5. Step 5: Solve for x
    x = 3,323,255,321.51/85,169.22
  6. Step 6: Final answer
    x = 39,019.44

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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.