Home / 80,533.40-120,800.10-50,595.80

Finding the Fourth Proportional to 80,533.40, 120,800.10 and 50,595.80

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Solution

The fourth proportional to 80,533.40, 120,800.10 and 50,595.80 is: 75,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,533.40 : 120,800.10 = 50,595.80 : x
  2. Step 2: Convert to fraction form
    80,533.40/120,800.10 = 50,595.80/x
  3. Step 3: Cross multiply
    80,533.40x = 120,800.10 × 50,595.80
  4. Step 4: Simplify right side
    80,533.40x = 6,111,977,699.58
  5. Step 5: Solve for x
    x = 6,111,977,699.58/80,533.40
  6. Step 6: Final answer
    x = 75,893.70

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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.