Home / 52,638.21-78,969.60-36,006.06

Finding the Fourth Proportional to 52,638.21, 78,969.60 and 36,006.06

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Solution

The fourth proportional to 52,638.21, 78,969.60 and 36,006.06 is: 54,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,638.21 : 78,969.60 = 36,006.06 : x
  2. Step 2: Convert to fraction form
    52,638.21/78,969.60 = 36,006.06/x
  3. Step 3: Cross multiply
    52,638.21x = 78,969.60 × 36,006.06
  4. Step 4: Simplify right side
    52,638.21x = 2,843,384,155.78
  5. Step 5: Solve for x
    x = 2,843,384,155.78/52,638.21
  6. Step 6: Final answer
    x = 54,017.49

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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.