Home / 82,000.94-113,157.79-45,700.45

Finding the Fourth Proportional to 82,000.94, 113,157.79 and 45,700.45

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Solution

The fourth proportional to 82,000.94, 113,157.79 and 45,700.45 is: 63,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,000.94 : 113,157.79 = 45,700.45 : x
  2. Step 2: Convert to fraction form
    82,000.94/113,157.79 = 45,700.45/x
  3. Step 3: Cross multiply
    82,000.94x = 113,157.79 × 45,700.45
  4. Step 4: Simplify right side
    82,000.94x = 5,171,361,924.01
  5. Step 5: Solve for x
    x = 5,171,361,924.01/82,000.94
  6. Step 6: Final answer
    x = 63,064.67

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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.