Home / 108,529.20-162,783.54-38,404.80

Finding the Fourth Proportional to 108,529.20, 162,783.54 and 38,404.80

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Solution

The fourth proportional to 108,529.20, 162,783.54 and 38,404.80 is: 57,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.20 : 162,783.54 = 38,404.80 : x
  2. Step 2: Convert to fraction form
    108,529.20/162,783.54 = 38,404.80/x
  3. Step 3: Cross multiply
    108,529.20x = 162,783.54 × 38,404.80
  4. Step 4: Simplify right side
    108,529.20x = 6,251,669,296.99
  5. Step 5: Solve for x
    x = 6,251,669,296.99/108,529.20
  6. Step 6: Final answer
    x = 57,603.57

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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.