Home / 106,995.18-147,641.34-59,236.54

Finding the Fourth Proportional to 106,995.18, 147,641.34 and 59,236.54

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Solution

The fourth proportional to 106,995.18, 147,641.34 and 59,236.54 is: 81,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,995.18 : 147,641.34 = 59,236.54 : x
  2. Step 2: Convert to fraction form
    106,995.18/147,641.34 = 59,236.54/x
  3. Step 3: Cross multiply
    106,995.18x = 147,641.34 × 59,236.54
  4. Step 4: Simplify right side
    106,995.18x = 8,745,762,142.56
  5. Step 5: Solve for x
    x = 8,745,762,142.56/106,995.18
  6. Step 6: Final answer
    x = 81,739.78

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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.