Home / 52,647.12-78,902.64-39,395.52

Finding the Fourth Proportional to 52,647.12, 78,902.64 and 39,395.52

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Solution

The fourth proportional to 52,647.12, 78,902.64 and 39,395.52 is: 59,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,647.12 : 78,902.64 = 39,395.52 : x
  2. Step 2: Convert to fraction form
    52,647.12/78,902.64 = 39,395.52/x
  3. Step 3: Cross multiply
    52,647.12x = 78,902.64 × 39,395.52
  4. Step 4: Simplify right side
    52,647.12x = 3,108,410,532.17
  5. Step 5: Solve for x
    x = 3,108,410,532.17/52,647.12
  6. Step 6: Final answer
    x = 59,042.37

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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.