Home / 83,172.42-114,777.99-45,446.67

Finding the Fourth Proportional to 83,172.42, 114,777.99 and 45,446.67

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Solution

The fourth proportional to 83,172.42, 114,777.99 and 45,446.67 is: 62,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,172.42 : 114,777.99 = 45,446.67 : x
  2. Step 2: Convert to fraction form
    83,172.42/114,777.99 = 45,446.67/x
  3. Step 3: Cross multiply
    83,172.42x = 114,777.99 × 45,446.67
  4. Step 4: Simplify right side
    83,172.42x = 5,216,277,434.79
  5. Step 5: Solve for x
    x = 5,216,277,434.79/83,172.42
  6. Step 6: Final answer
    x = 62,716.43

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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.