Home / 52,201.75-72,038.61-28,328.42

Finding the Fourth Proportional to 52,201.75, 72,038.61 and 28,328.42

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Solution

The fourth proportional to 52,201.75, 72,038.61 and 28,328.42 is: 39,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.75 : 72,038.61 = 28,328.42 : x
  2. Step 2: Convert to fraction form
    52,201.75/72,038.61 = 28,328.42/x
  3. Step 3: Cross multiply
    52,201.75x = 72,038.61 × 28,328.42
  4. Step 4: Simplify right side
    52,201.75x = 2,040,739,775.18
  5. Step 5: Solve for x
    x = 2,040,739,775.18/52,201.75
  6. Step 6: Final answer
    x = 39,093.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.