Home / 108,021.02-162,029.10-48,840.80

Finding the Fourth Proportional to 108,021.02, 162,029.10 and 48,840.80

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Solution

The fourth proportional to 108,021.02, 162,029.10 and 48,840.80 is: 73,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,021.02 : 162,029.10 = 48,840.80 : x
  2. Step 2: Convert to fraction form
    108,021.02/162,029.10 = 48,840.80/x
  3. Step 3: Cross multiply
    108,021.02x = 162,029.10 × 48,840.80
  4. Step 4: Simplify right side
    108,021.02x = 7,913,630,867.28
  5. Step 5: Solve for x
    x = 7,913,630,867.28/108,021.02
  6. Step 6: Final answer
    x = 73,260.10

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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.