Home / 64,677.21-89,257.12-35,998.07

Finding the Fourth Proportional to 64,677.21, 89,257.12 and 35,998.07

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Solution

The fourth proportional to 64,677.21, 89,257.12 and 35,998.07 is: 49,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,677.21 : 89,257.12 = 35,998.07 : x
  2. Step 2: Convert to fraction form
    64,677.21/89,257.12 = 35,998.07/x
  3. Step 3: Cross multiply
    64,677.21x = 89,257.12 × 35,998.07
  4. Step 4: Simplify right side
    64,677.21x = 3,213,083,517.48
  5. Step 5: Solve for x
    x = 3,213,083,517.48/64,677.21
  6. Step 6: Final answer
    x = 49,678.76

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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.