Home / 76,896.12-106,116.66-43,362.12

Finding the Fourth Proportional to 76,896.12, 106,116.66 and 43,362.12

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Solution

The fourth proportional to 76,896.12, 106,116.66 and 43,362.12 is: 59,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,896.12 : 106,116.66 = 43,362.12 : x
  2. Step 2: Convert to fraction form
    76,896.12/106,116.66 = 43,362.12/x
  3. Step 3: Cross multiply
    76,896.12x = 106,116.66 × 43,362.12
  4. Step 4: Simplify right side
    76,896.12x = 4,601,443,344.92
  5. Step 5: Solve for x
    x = 4,601,443,344.92/76,896.12
  6. Step 6: Final answer
    x = 59,839.73

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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.