Home / 57,945.20-86,808.45-54,008.60

Finding the Fourth Proportional to 57,945.20, 86,808.45 and 54,008.60

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Solution

The fourth proportional to 57,945.20, 86,808.45 and 54,008.60 is: 80,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,945.20 : 86,808.45 = 54,008.60 : x
  2. Step 2: Convert to fraction form
    57,945.20/86,808.45 = 54,008.60/x
  3. Step 3: Cross multiply
    57,945.20x = 86,808.45 × 54,008.60
  4. Step 4: Simplify right side
    57,945.20x = 4,688,402,852.67
  5. Step 5: Solve for x
    x = 4,688,402,852.67/57,945.20
  6. Step 6: Final answer
    x = 80,910.98

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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.