Home / 64,517.04-89,035.20-36,222.12

Finding the Fourth Proportional to 64,517.04, 89,035.20 and 36,222.12

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Solution

The fourth proportional to 64,517.04, 89,035.20 and 36,222.12 is: 49,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,517.04 : 89,035.20 = 36,222.12 : x
  2. Step 2: Convert to fraction form
    64,517.04/89,035.20 = 36,222.12/x
  3. Step 3: Cross multiply
    64,517.04x = 89,035.20 × 36,222.12
  4. Step 4: Simplify right side
    64,517.04x = 3,225,043,698.62
  5. Step 5: Solve for x
    x = 3,225,043,698.62/64,517.04
  6. Step 6: Final answer
    x = 49,987.47

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1.5x scale

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.