Home / 76,123.08-114,315.30-46,713.60

Finding the Fourth Proportional to 76,123.08, 114,315.30 and 46,713.60

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Solution

The fourth proportional to 76,123.08, 114,315.30 and 46,713.60 is: 70,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,123.08 : 114,315.30 = 46,713.60 : x
  2. Step 2: Convert to fraction form
    76,123.08/114,315.30 = 46,713.60/x
  3. Step 3: Cross multiply
    76,123.08x = 114,315.30 × 46,713.60
  4. Step 4: Simplify right side
    76,123.08x = 5,340,079,198.08
  5. Step 5: Solve for x
    x = 5,340,079,198.08/76,123.08
  6. Step 6: Final answer
    x = 70,150.59

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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.