Home / 80,536.49-111,141.86-44,729.85

Finding the Fourth Proportional to 80,536.49, 111,141.86 and 44,729.85

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Solution

The fourth proportional to 80,536.49, 111,141.86 and 44,729.85 is: 61,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536.49 : 111,141.86 = 44,729.85 : x
  2. Step 2: Convert to fraction form
    80,536.49/111,141.86 = 44,729.85/x
  3. Step 3: Cross multiply
    80,536.49x = 111,141.86 × 44,729.85
  4. Step 4: Simplify right side
    80,536.49x = 4,971,358,502.87
  5. Step 5: Solve for x
    x = 4,971,358,502.87/80,536.49
  6. Step 6: Final answer
    x = 61,728.03

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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.