Home / 84,509.75-116,615.46-50,511.42

Finding the Fourth Proportional to 84,509.75, 116,615.46 and 50,511.42

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Solution

The fourth proportional to 84,509.75, 116,615.46 and 50,511.42 is: 69,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,509.75 : 116,615.46 = 50,511.42 : x
  2. Step 2: Convert to fraction form
    84,509.75/116,615.46 = 50,511.42/x
  3. Step 3: Cross multiply
    84,509.75x = 116,615.46 × 50,511.42
  4. Step 4: Simplify right side
    84,509.75x = 5,890,412,478.55
  5. Step 5: Solve for x
    x = 5,890,412,478.55/84,509.75
  6. Step 6: Final answer
    x = 69,700.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.