Home / 76,014.72-104,889.16-43,309.45

Finding the Fourth Proportional to 76,014.72, 104,889.16 and 43,309.45

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Solution

The fourth proportional to 76,014.72, 104,889.16 and 43,309.45 is: 59,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014.72 : 104,889.16 = 43,309.45 : x
  2. Step 2: Convert to fraction form
    76,014.72/104,889.16 = 43,309.45/x
  3. Step 3: Cross multiply
    76,014.72x = 104,889.16 × 43,309.45
  4. Step 4: Simplify right side
    76,014.72x = 4,542,692,015.81
  5. Step 5: Solve for x
    x = 4,542,692,015.81/76,014.72
  6. Step 6: Final answer
    x = 59,760.69

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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.