Home / 76,145.63-114,226.10-26,219.12

Finding the Fourth Proportional to 76,145.63, 114,226.10 and 26,219.12

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Solution

The fourth proportional to 76,145.63, 114,226.10 and 26,219.12 is: 39,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,145.63 : 114,226.10 = 26,219.12 : x
  2. Step 2: Convert to fraction form
    76,145.63/114,226.10 = 26,219.12/x
  3. Step 3: Cross multiply
    76,145.63x = 114,226.10 × 26,219.12
  4. Step 4: Simplify right side
    76,145.63x = 2,994,907,691.94
  5. Step 5: Solve for x
    x = 2,994,907,691.94/76,145.63
  6. Step 6: Final answer
    x = 39,331.31

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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.