Home / 115,768.56-173,652.67-76,038.36

Finding the Fourth Proportional to 115,768.56, 173,652.67 and 76,038.36

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Solution

The fourth proportional to 115,768.56, 173,652.67 and 76,038.36 is: 114,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,768.56 : 173,652.67 = 76,038.36 : x
  2. Step 2: Convert to fraction form
    115,768.56/173,652.67 = 76,038.36/x
  3. Step 3: Cross multiply
    115,768.56x = 173,652.67 × 76,038.36
  4. Step 4: Simplify right side
    115,768.56x = 13,204,264,236.42
  5. Step 5: Solve for x
    x = 13,204,264,236.42/115,768.56
  6. Step 6: Final answer
    x = 114,057.43

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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.