Home / 64,985.63-89,680.19-36,693.14

Finding the Fourth Proportional to 64,985.63, 89,680.19 and 36,693.14

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Solution

The fourth proportional to 64,985.63, 89,680.19 and 36,693.14 is: 50,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,985.63 : 89,680.19 = 36,693.14 : x
  2. Step 2: Convert to fraction form
    64,985.63/89,680.19 = 36,693.14/x
  3. Step 3: Cross multiply
    64,985.63x = 89,680.19 × 36,693.14
  4. Step 4: Simplify right side
    64,985.63x = 3,290,647,135.03
  5. Step 5: Solve for x
    x = 3,290,647,135.03/64,985.63
  6. Step 6: Final answer
    x = 50,636.54

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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.