Home / 76,025.34-114,086.97-40,989.42

Finding the Fourth Proportional to 76,025.34, 114,086.97 and 40,989.42

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Solution

The fourth proportional to 76,025.34, 114,086.97 and 40,989.42 is: 61,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,025.34 : 114,086.97 = 40,989.42 : x
  2. Step 2: Convert to fraction form
    76,025.34/114,086.97 = 40,989.42/x
  3. Step 3: Cross multiply
    76,025.34x = 114,086.97 × 40,989.42
  4. Step 4: Simplify right side
    76,025.34x = 4,676,358,729.86
  5. Step 5: Solve for x
    x = 4,676,358,729.86/76,025.34
  6. Step 6: Final answer
    x = 61,510.53

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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.