Home / 67,998.32-102,012.24-26,445.68

Finding the Fourth Proportional to 67,998.32, 102,012.24 and 26,445.68

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Solution

The fourth proportional to 67,998.32, 102,012.24 and 26,445.68 is: 39,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,998.32 : 102,012.24 = 26,445.68 : x
  2. Step 2: Convert to fraction form
    67,998.32/102,012.24 = 26,445.68/x
  3. Step 3: Cross multiply
    67,998.32x = 102,012.24 × 26,445.68
  4. Step 4: Simplify right side
    67,998.32x = 2,697,783,055.12
  5. Step 5: Solve for x
    x = 2,697,783,055.12/67,998.32
  6. Step 6: Final answer
    x = 39,674.26

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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.