Home / 80,741.69-111,422.73-44,931.09

Finding the Fourth Proportional to 80,741.69, 111,422.73 and 44,931.09

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Solution

The fourth proportional to 80,741.69, 111,422.73 and 44,931.09 is: 62,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,741.69 : 111,422.73 = 44,931.09 : x
  2. Step 2: Convert to fraction form
    80,741.69/111,422.73 = 44,931.09/x
  3. Step 3: Cross multiply
    80,741.69x = 111,422.73 × 44,931.09
  4. Step 4: Simplify right side
    80,741.69x = 5,006,344,709.68
  5. Step 5: Solve for x
    x = 5,006,344,709.68/80,741.69
  6. Step 6: Final answer
    x = 62,004.46

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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.