Home / 108,021.40-162,032.10-60,782.20

Finding the Fourth Proportional to 108,021.40, 162,032.10 and 60,782.20

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Solution

The fourth proportional to 108,021.40, 162,032.10 and 60,782.20 is: 91,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,021.40 : 162,032.10 = 60,782.20 : x
  2. Step 2: Convert to fraction form
    108,021.40/162,032.10 = 60,782.20/x
  3. Step 3: Cross multiply
    108,021.40x = 162,032.10 × 60,782.20
  4. Step 4: Simplify right side
    108,021.40x = 9,848,667,508.62
  5. Step 5: Solve for x
    x = 9,848,667,508.62/108,021.40
  6. Step 6: Final answer
    x = 91,173.30

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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.