Home / 85,204.86-127,802.61-26,040.49

Finding the Fourth Proportional to 85,204.86, 127,802.61 and 26,040.49

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Solution

The fourth proportional to 85,204.86, 127,802.61 and 26,040.49 is: 39,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,204.86 : 127,802.61 = 26,040.49 : x
  2. Step 2: Convert to fraction form
    85,204.86/127,802.61 = 26,040.49/x
  3. Step 3: Cross multiply
    85,204.86x = 127,802.61 × 26,040.49
  4. Step 4: Simplify right side
    85,204.86x = 3,328,042,587.68
  5. Step 5: Solve for x
    x = 3,328,042,587.68/85,204.86
  6. Step 6: Final answer
    x = 39,059.30

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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.