Home / 45,446.18-68,172.53-14,283.86

Finding the Fourth Proportional to 45,446.18, 68,172.53 and 14,283.86

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Solution

The fourth proportional to 45,446.18, 68,172.53 and 14,283.86 is: 21,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,446.18 : 68,172.53 = 14,283.86 : x
  2. Step 2: Convert to fraction form
    45,446.18/68,172.53 = 14,283.86/x
  3. Step 3: Cross multiply
    45,446.18x = 68,172.53 × 14,283.86
  4. Step 4: Simplify right side
    45,446.18x = 973,766,462.08
  5. Step 5: Solve for x
    x = 973,766,462.08/45,446.18
  6. Step 6: Final answer
    x = 21,426.81

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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.