Home / 108,628.40-162,958.80-38,502.20

Finding the Fourth Proportional to 108,628.40, 162,958.80 and 38,502.20

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Solution

The fourth proportional to 108,628.40, 162,958.80 and 38,502.20 is: 57,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,628.40 : 162,958.80 = 38,502.20 : x
  2. Step 2: Convert to fraction form
    108,628.40/162,958.80 = 38,502.20/x
  3. Step 3: Cross multiply
    108,628.40x = 162,958.80 × 38,502.20
  4. Step 4: Simplify right side
    108,628.40x = 6,274,272,309.36
  5. Step 5: Solve for x
    x = 6,274,272,309.36/108,628.40
  6. Step 6: Final answer
    x = 57,759.04

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1.5x scale

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.