Home / 100,316.34-150,462.18-58,219.31

Finding the Fourth Proportional to 100,316.34, 150,462.18 and 58,219.31

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Solution

The fourth proportional to 100,316.34, 150,462.18 and 58,219.31 is: 87,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316.34 : 150,462.18 = 58,219.31 : x
  2. Step 2: Convert to fraction form
    100,316.34/150,462.18 = 58,219.31/x
  3. Step 3: Cross multiply
    100,316.34x = 150,462.18 × 58,219.31
  4. Step 4: Simplify right side
    100,316.34x = 8,759,804,676.85
  5. Step 5: Solve for x
    x = 8,759,804,676.85/100,316.34
  6. Step 6: Final answer
    x = 87,321.81

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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.