Home / 108,467.48-162,418.26-87,291.84

Finding the Fourth Proportional to 108,467.48, 162,418.26 and 87,291.84

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Solution

The fourth proportional to 108,467.48, 162,418.26 and 87,291.84 is: 130,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,467.48 : 162,418.26 = 87,291.84 : x
  2. Step 2: Convert to fraction form
    108,467.48/162,418.26 = 87,291.84/x
  3. Step 3: Cross multiply
    108,467.48x = 162,418.26 × 87,291.84
  4. Step 4: Simplify right side
    108,467.48x = 14,177,788,765.00
  5. Step 5: Solve for x
    x = 14,177,788,765.00/108,467.48
  6. Step 6: Final answer
    x = 130,710.05

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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.