Home / 52,636.22-72,636.75-28,763.02

Finding the Fourth Proportional to 52,636.22, 72,636.75 and 28,763.02

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Solution

The fourth proportional to 52,636.22, 72,636.75 and 28,763.02 is: 39,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,636.22 : 72,636.75 = 28,763.02 : x
  2. Step 2: Convert to fraction form
    52,636.22/72,636.75 = 28,763.02/x
  3. Step 3: Cross multiply
    52,636.22x = 72,636.75 × 28,763.02
  4. Step 4: Simplify right side
    52,636.22x = 2,089,252,292.99
  5. Step 5: Solve for x
    x = 2,089,252,292.99/52,636.22
  6. Step 6: Final answer
    x = 39,692.29

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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.