Home / 53,511.10-80,266.65-50,230.60

Finding the Fourth Proportional to 53,511.10, 80,266.65 and 50,230.60

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Solution

The fourth proportional to 53,511.10, 80,266.65 and 50,230.60 is: 75,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.10 : 80,266.65 = 50,230.60 : x
  2. Step 2: Convert to fraction form
    53,511.10/80,266.65 = 50,230.60/x
  3. Step 3: Cross multiply
    53,511.10x = 80,266.65 × 50,230.60
  4. Step 4: Simplify right side
    53,511.10x = 4,031,841,989.49
  5. Step 5: Solve for x
    x = 4,031,841,989.49/53,511.10
  6. Step 6: Final answer
    x = 75,345.90

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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.