Home / 76,840.26-106,040.38-43,306.26

Finding the Fourth Proportional to 76,840.26, 106,040.38 and 43,306.26

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Solution

The fourth proportional to 76,840.26, 106,040.38 and 43,306.26 is: 59,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,840.26 : 106,040.38 = 43,306.26 : x
  2. Step 2: Convert to fraction form
    76,840.26/106,040.38 = 43,306.26/x
  3. Step 3: Cross multiply
    76,840.26x = 106,040.38 × 43,306.26
  4. Step 4: Simplify right side
    76,840.26x = 4,592,212,266.78
  5. Step 5: Solve for x
    x = 4,592,212,266.78/76,840.26
  6. Step 6: Final answer
    x = 59,763.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.