Home / 80,663.76-111,323.04-44,860.80

Finding the Fourth Proportional to 80,663.76, 111,323.04 and 44,860.80

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Solution

The fourth proportional to 80,663.76, 111,323.04 and 44,860.80 is: 61,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,663.76 : 111,323.04 = 44,860.80 : x
  2. Step 2: Convert to fraction form
    80,663.76/111,323.04 = 44,860.80/x
  3. Step 3: Cross multiply
    80,663.76x = 111,323.04 × 44,860.80
  4. Step 4: Simplify right side
    80,663.76x = 4,994,040,632.83
  5. Step 5: Solve for x
    x = 4,994,040,632.83/80,663.76
  6. Step 6: Final answer
    x = 61,911.83

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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.