Home / 108,493-162,739.53-52,322.65

Finding the Fourth Proportional to 108,493, 162,739.53 and 52,322.65

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Solution

The fourth proportional to 108,493, 162,739.53 and 52,322.65 is: 78,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,493 : 162,739.53 = 52,322.65 : x
  2. Step 2: Convert to fraction form
    108,493/162,739.53 = 52,322.65/x
  3. Step 3: Cross multiply
    108,493x = 162,739.53 × 52,322.65
  4. Step 4: Simplify right side
    108,493x = 8,514,963,469.35
  5. Step 5: Solve for x
    x = 8,514,963,469.35/108,493
  6. Step 6: Final answer
    x = 78,483.99

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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.