Home / 69,071.40-95,314.86-40,766.76

Finding the Fourth Proportional to 69,071.40, 95,314.86 and 40,766.76

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Solution

The fourth proportional to 69,071.40, 95,314.86 and 40,766.76 is: 56,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,071.40 : 95,314.86 = 40,766.76 : x
  2. Step 2: Convert to fraction form
    69,071.40/95,314.86 = 40,766.76/x
  3. Step 3: Cross multiply
    69,071.40x = 95,314.86 × 40,766.76
  4. Step 4: Simplify right side
    69,071.40x = 3,885,678,022.05
  5. Step 5: Solve for x
    x = 3,885,678,022.05/69,071.40
  6. Step 6: Final answer
    x = 56,255.96

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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.