Home / 80,309.02-120,383.34-53,677.44

Finding the Fourth Proportional to 80,309.02, 120,383.34 and 53,677.44

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Solution

The fourth proportional to 80,309.02, 120,383.34 and 53,677.44 is: 80,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,309.02 : 120,383.34 = 53,677.44 : x
  2. Step 2: Convert to fraction form
    80,309.02/120,383.34 = 53,677.44/x
  3. Step 3: Cross multiply
    80,309.02x = 120,383.34 × 53,677.44
  4. Step 4: Simplify right side
    80,309.02x = 6,461,869,509.85
  5. Step 5: Solve for x
    x = 6,461,869,509.85/80,309.02
  6. Step 6: Final answer
    x = 80,462.56

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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.