Home / 85,010.16-127,515.48-40,626.84

Finding the Fourth Proportional to 85,010.16, 127,515.48 and 40,626.84

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Solution

The fourth proportional to 85,010.16, 127,515.48 and 40,626.84 is: 60,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,010.16 : 127,515.48 = 40,626.84 : x
  2. Step 2: Convert to fraction form
    85,010.16/127,515.48 = 40,626.84/x
  3. Step 3: Cross multiply
    85,010.16x = 127,515.48 × 40,626.84
  4. Step 4: Simplify right side
    85,010.16x = 5,180,551,003.48
  5. Step 5: Solve for x
    x = 5,180,551,003.48/85,010.16
  6. Step 6: Final answer
    x = 60,940.37

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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.