Home / 85,221.51-127,832.62-26,057.09

Finding the Fourth Proportional to 85,221.51, 127,832.62 and 26,057.09

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Solution

The fourth proportional to 85,221.51, 127,832.62 and 26,057.09 is: 39,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,221.51 : 127,832.62 = 26,057.09 : x
  2. Step 2: Convert to fraction form
    85,221.51/127,832.62 = 26,057.09/x
  3. Step 3: Cross multiply
    85,221.51x = 127,832.62 × 26,057.09
  4. Step 4: Simplify right side
    85,221.51x = 3,330,946,084.28
  5. Step 5: Solve for x
    x = 3,330,946,084.28/85,221.51
  6. Step 6: Final answer
    x = 39,085.74

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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.