Home / 45,522.18-68,283.30-14,359.86

Finding the Fourth Proportional to 45,522.18, 68,283.30 and 14,359.86

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Solution

The fourth proportional to 45,522.18, 68,283.30 and 14,359.86 is: 21,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,522.18 : 68,283.30 = 14,359.86 : x
  2. Step 2: Convert to fraction form
    45,522.18/68,283.30 = 14,359.86/x
  3. Step 3: Cross multiply
    45,522.18x = 68,283.30 × 14,359.86
  4. Step 4: Simplify right side
    45,522.18x = 980,538,628.34
  5. Step 5: Solve for x
    x = 980,538,628.34/45,522.18
  6. Step 6: Final answer
    x = 21,539.80

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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.