Home / 45,742.55-68,606.89-12,465.27

Finding the Fourth Proportional to 45,742.55, 68,606.89 and 12,465.27

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Solution

The fourth proportional to 45,742.55, 68,606.89 and 12,465.27 is: 18,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.55 : 68,606.89 = 12,465.27 : x
  2. Step 2: Convert to fraction form
    45,742.55/68,606.89 = 12,465.27/x
  3. Step 3: Cross multiply
    45,742.55x = 68,606.89 × 12,465.27
  4. Step 4: Simplify right side
    45,742.55x = 855,203,376.55
  5. Step 5: Solve for x
    x = 855,203,376.55/45,742.55
  6. Step 6: Final answer
    x = 18,696.02

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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.