Home / 82,145.31-113,372.84-50,332.67

Finding the Fourth Proportional to 82,145.31, 113,372.84 and 50,332.67

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Solution

The fourth proportional to 82,145.31, 113,372.84 and 50,332.67 is: 69,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,145.31 : 113,372.84 = 50,332.67 : x
  2. Step 2: Convert to fraction form
    82,145.31/113,372.84 = 50,332.67/x
  3. Step 3: Cross multiply
    82,145.31x = 113,372.84 × 50,332.67
  4. Step 4: Simplify right side
    82,145.31x = 5,706,357,742.68
  5. Step 5: Solve for x
    x = 5,706,357,742.68/82,145.31
  6. Step 6: Final answer
    x = 69,466.63

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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.