Home / 108,456.48-149,592.63-66,017.73

Finding the Fourth Proportional to 108,456.48, 149,592.63 and 66,017.73

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Solution

The fourth proportional to 108,456.48, 149,592.63 and 66,017.73 is: 91,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,456.48 : 149,592.63 = 66,017.73 : x
  2. Step 2: Convert to fraction form
    108,456.48/149,592.63 = 66,017.73/x
  3. Step 3: Cross multiply
    108,456.48x = 149,592.63 × 66,017.73
  4. Step 4: Simplify right side
    108,456.48x = 9,875,765,857.33
  5. Step 5: Solve for x
    x = 9,875,765,857.33/108,456.48
  6. Step 6: Final answer
    x = 91,057.41

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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.