Home / 76,861.20-106,037.85-46,635.42

Finding the Fourth Proportional to 76,861.20, 106,037.85 and 46,635.42

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Solution

The fourth proportional to 76,861.20, 106,037.85 and 46,635.42 is: 64,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,861.20 : 106,037.85 = 46,635.42 : x
  2. Step 2: Convert to fraction form
    76,861.20/106,037.85 = 46,635.42/x
  3. Step 3: Cross multiply
    76,861.20x = 106,037.85 × 46,635.42
  4. Step 4: Simplify right side
    76,861.20x = 4,945,119,670.65
  5. Step 5: Solve for x
    x = 4,945,119,670.65/76,861.20
  6. Step 6: Final answer
    x = 64,338.31

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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.