Home / 75,690.44-113,450.79-30,701.34

Finding the Fourth Proportional to 75,690.44, 113,450.79 and 30,701.34

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Solution

The fourth proportional to 75,690.44, 113,450.79 and 30,701.34 is: 46,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,690.44 : 113,450.79 = 30,701.34 : x
  2. Step 2: Convert to fraction form
    75,690.44/113,450.79 = 30,701.34/x
  3. Step 3: Cross multiply
    75,690.44x = 113,450.79 × 30,701.34
  4. Step 4: Simplify right side
    75,690.44x = 3,483,091,353.81
  5. Step 5: Solve for x
    x = 3,483,091,353.81/75,690.44
  6. Step 6: Final answer
    x = 46,017.59

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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.