Home / 75,633.74-113,450.58-31,211.66

Finding the Fourth Proportional to 75,633.74, 113,450.58 and 31,211.66

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Solution

The fourth proportional to 75,633.74, 113,450.58 and 31,211.66 is: 46,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.74 : 113,450.58 = 31,211.66 : x
  2. Step 2: Convert to fraction form
    75,633.74/113,450.58 = 31,211.66/x
  3. Step 3: Cross multiply
    75,633.74x = 113,450.58 × 31,211.66
  4. Step 4: Simplify right side
    75,633.74x = 3,540,980,929.76
  5. Step 5: Solve for x
    x = 3,540,980,929.76/75,633.74
  6. Step 6: Final answer
    x = 46,817.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.