Home / 80,572.70-111,206.23-51,482.46

Finding the Fourth Proportional to 80,572.70, 111,206.23 and 51,482.46

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Solution

The fourth proportional to 80,572.70, 111,206.23 and 51,482.46 is: 71,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,572.70 : 111,206.23 = 51,482.46 : x
  2. Step 2: Convert to fraction form
    80,572.70/111,206.23 = 51,482.46/x
  3. Step 3: Cross multiply
    80,572.70x = 111,206.23 × 51,482.46
  4. Step 4: Simplify right side
    80,572.70x = 5,725,170,287.73
  5. Step 5: Solve for x
    x = 5,725,170,287.73/80,572.70
  6. Step 6: Final answer
    x = 71,055.96

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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.