Home / 86,949.04-119,982.18-50,644.84

Finding the Fourth Proportional to 86,949.04, 119,982.18 and 50,644.84

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Solution

The fourth proportional to 86,949.04, 119,982.18 and 50,644.84 is: 69,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,949.04 : 119,982.18 = 50,644.84 : x
  2. Step 2: Convert to fraction form
    86,949.04/119,982.18 = 50,644.84/x
  3. Step 3: Cross multiply
    86,949.04x = 119,982.18 × 50,644.84
  4. Step 4: Simplify right side
    86,949.04x = 6,076,478,308.95
  5. Step 5: Solve for x
    x = 6,076,478,308.95/86,949.04
  6. Step 6: Final answer
    x = 69,885.51

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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.