Home / 64,988.08-89,682.84-36,693.04

Finding the Fourth Proportional to 64,988.08, 89,682.84 and 36,693.04

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Solution

The fourth proportional to 64,988.08, 89,682.84 and 36,693.04 is: 50,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.08 : 89,682.84 = 36,693.04 : x
  2. Step 2: Convert to fraction form
    64,988.08/89,682.84 = 36,693.04/x
  3. Step 3: Cross multiply
    64,988.08x = 89,682.84 × 36,693.04
  4. Step 4: Simplify right side
    64,988.08x = 3,290,736,035.43
  5. Step 5: Solve for x
    x = 3,290,736,035.43/64,988.08
  6. Step 6: Final answer
    x = 50,635.99

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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.