Home / 57,214.20-85,821.30-54,006.60

Finding the Fourth Proportional to 57,214.20, 85,821.30 and 54,006.60

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Solution

The fourth proportional to 57,214.20, 85,821.30 and 54,006.60 is: 81,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.20 : 85,821.30 = 54,006.60 : x
  2. Step 2: Convert to fraction form
    57,214.20/85,821.30 = 54,006.60/x
  3. Step 3: Cross multiply
    57,214.20x = 85,821.30 × 54,006.60
  4. Step 4: Simplify right side
    57,214.20x = 4,634,916,620.58
  5. Step 5: Solve for x
    x = 4,634,916,620.58/57,214.20
  6. Step 6: Final answer
    x = 81,009.90

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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.