Home / 80,816.20-111,518.80-46,825.98

Finding the Fourth Proportional to 80,816.20, 111,518.80 and 46,825.98

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Solution

The fourth proportional to 80,816.20, 111,518.80 and 46,825.98 is: 64,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.20 : 111,518.80 = 46,825.98 : x
  2. Step 2: Convert to fraction form
    80,816.20/111,518.80 = 46,825.98/x
  3. Step 3: Cross multiply
    80,816.20x = 111,518.80 × 46,825.98
  4. Step 4: Simplify right side
    80,816.20x = 5,221,977,098.42
  5. Step 5: Solve for x
    x = 5,221,977,098.42/80,816.20
  6. Step 6: Final answer
    x = 64,615.47

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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.