Home / 82,921.41-114,450-52,700.85

Finding the Fourth Proportional to 82,921.41, 114,450 and 52,700.85

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Solution

The fourth proportional to 82,921.41, 114,450 and 52,700.85 is: 72,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921.41 : 114,450 = 52,700.85 : x
  2. Step 2: Convert to fraction form
    82,921.41/114,450 = 52,700.85/x
  3. Step 3: Cross multiply
    82,921.41x = 114,450 × 52,700.85
  4. Step 4: Simplify right side
    82,921.41x = 6,031,612,282.50
  5. Step 5: Solve for x
    x = 6,031,612,282.50/82,921.41
  6. Step 6: Final answer
    x = 72,738.90

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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.