Home / 63,420.78-95,123.60-16,677.30

Finding the Fourth Proportional to 63,420.78, 95,123.60 and 16,677.30

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Solution

The fourth proportional to 63,420.78, 95,123.60 and 16,677.30 is: 25,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.78 : 95,123.60 = 16,677.30 : x
  2. Step 2: Convert to fraction form
    63,420.78/95,123.60 = 16,677.30/x
  3. Step 3: Cross multiply
    63,420.78x = 95,123.60 × 16,677.30
  4. Step 4: Simplify right side
    63,420.78x = 1,586,404,814.28
  5. Step 5: Solve for x
    x = 1,586,404,814.28/63,420.78
  6. Step 6: Final answer
    x = 25,013.96

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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.