Home / 76,137.28-114,175.68-29,360.32

Finding the Fourth Proportional to 76,137.28, 114,175.68 and 29,360.32

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Solution

The fourth proportional to 76,137.28, 114,175.68 and 29,360.32 is: 44,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,137.28 : 114,175.68 = 29,360.32 : x
  2. Step 2: Convert to fraction form
    76,137.28/114,175.68 = 29,360.32/x
  3. Step 3: Cross multiply
    76,137.28x = 114,175.68 × 29,360.32
  4. Step 4: Simplify right side
    76,137.28x = 3,352,234,501.02
  5. Step 5: Solve for x
    x = 3,352,234,501.02/76,137.28
  6. Step 6: Final answer
    x = 44,028.82

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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.