Home / 45,634.88-68,462.40-14,045.12

Finding the Fourth Proportional to 45,634.88, 68,462.40 and 14,045.12

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Solution

The fourth proportional to 45,634.88, 68,462.40 and 14,045.12 is: 21,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,634.88 : 68,462.40 = 14,045.12 : x
  2. Step 2: Convert to fraction form
    45,634.88/68,462.40 = 14,045.12/x
  3. Step 3: Cross multiply
    45,634.88x = 68,462.40 × 14,045.12
  4. Step 4: Simplify right side
    45,634.88x = 961,562,623.49
  5. Step 5: Solve for x
    x = 961,562,623.49/45,634.88
  6. Step 6: Final answer
    x = 21,070.78

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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.