Home / 108,018.36-149,072.54-60,272.73

Finding the Fourth Proportional to 108,018.36, 149,072.54 and 60,272.73

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Solution

The fourth proportional to 108,018.36, 149,072.54 and 60,272.73 is: 83,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,018.36 : 149,072.54 = 60,272.73 : x
  2. Step 2: Convert to fraction form
    108,018.36/149,072.54 = 60,272.73/x
  3. Step 3: Cross multiply
    108,018.36x = 149,072.54 × 60,272.73
  4. Step 4: Simplify right side
    108,018.36x = 8,985,008,652.47
  5. Step 5: Solve for x
    x = 8,985,008,652.47/108,018.36
  6. Step 6: Final answer
    x = 83,180.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.