Home / 83,156.15-114,759.65-50,880.67

Finding the Fourth Proportional to 83,156.15, 114,759.65 and 50,880.67

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Solution

The fourth proportional to 83,156.15, 114,759.65 and 50,880.67 is: 70,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,156.15 : 114,759.65 = 50,880.67 : x
  2. Step 2: Convert to fraction form
    83,156.15/114,759.65 = 50,880.67/x
  3. Step 3: Cross multiply
    83,156.15x = 114,759.65 × 50,880.67
  4. Step 4: Simplify right side
    83,156.15x = 5,839,047,880.97
  5. Step 5: Solve for x
    x = 5,839,047,880.97/83,156.15
  6. Step 6: Final answer
    x = 70,217.87

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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.