Home / 72,383.14-108,615.48-56,543.73

Finding the Fourth Proportional to 72,383.14, 108,615.48 and 56,543.73

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Solution

The fourth proportional to 72,383.14, 108,615.48 and 56,543.73 is: 84,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,383.14 : 108,615.48 = 56,543.73 : x
  2. Step 2: Convert to fraction form
    72,383.14/108,615.48 = 56,543.73/x
  3. Step 3: Cross multiply
    72,383.14x = 108,615.48 × 56,543.73
  4. Step 4: Simplify right side
    72,383.14x = 6,141,524,374.94
  5. Step 5: Solve for x
    x = 6,141,524,374.94/72,383.14
  6. Step 6: Final answer
    x = 84,847.44

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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.