Home / 45,502.38-68,253.30-11,768.40

Finding the Fourth Proportional to 45,502.38, 68,253.30 and 11,768.40

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Solution

The fourth proportional to 45,502.38, 68,253.30 and 11,768.40 is: 17,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,502.38 : 68,253.30 = 11,768.40 : x
  2. Step 2: Convert to fraction form
    45,502.38/68,253.30 = 11,768.40/x
  3. Step 3: Cross multiply
    45,502.38x = 68,253.30 × 11,768.40
  4. Step 4: Simplify right side
    45,502.38x = 803,232,135.72
  5. Step 5: Solve for x
    x = 803,232,135.72/45,502.38
  6. Step 6: Final answer
    x = 17,652.53

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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.