Home / 76,288.68-114,433.66-31,334.76

Finding the Fourth Proportional to 76,288.68, 114,433.66 and 31,334.76

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Solution

The fourth proportional to 76,288.68, 114,433.66 and 31,334.76 is: 47,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,288.68 : 114,433.66 = 31,334.76 : x
  2. Step 2: Convert to fraction form
    76,288.68/114,433.66 = 31,334.76/x
  3. Step 3: Cross multiply
    76,288.68x = 114,433.66 × 31,334.76
  4. Step 4: Simplify right side
    76,288.68x = 3,585,751,272.02
  5. Step 5: Solve for x
    x = 3,585,751,272.02/76,288.68
  6. Step 6: Final answer
    x = 47,002.40

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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.