Home / 45,759.18-68,611.63-14,159.88

Finding the Fourth Proportional to 45,759.18, 68,611.63 and 14,159.88

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Solution

The fourth proportional to 45,759.18, 68,611.63 and 14,159.88 is: 21,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,759.18 : 68,611.63 = 14,159.88 : x
  2. Step 2: Convert to fraction form
    45,759.18/68,611.63 = 14,159.88/x
  3. Step 3: Cross multiply
    45,759.18x = 68,611.63 × 14,159.88
  4. Step 4: Simplify right side
    45,759.18x = 971,532,447.40
  5. Step 5: Solve for x
    x = 971,532,447.40/45,759.18
  6. Step 6: Final answer
    x = 21,231.42

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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.