Home / 83,972.04-115,905.78-67,093.80

Finding the Fourth Proportional to 83,972.04, 115,905.78 and 67,093.80

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Solution

The fourth proportional to 83,972.04, 115,905.78 and 67,093.80 is: 92,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,972.04 : 115,905.78 = 67,093.80 : x
  2. Step 2: Convert to fraction form
    83,972.04/115,905.78 = 67,093.80/x
  3. Step 3: Cross multiply
    83,972.04x = 115,905.78 × 67,093.80
  4. Step 4: Simplify right side
    83,972.04x = 7,776,559,222.16
  5. Step 5: Solve for x
    x = 7,776,559,222.16/83,972.04
  6. Step 6: Final answer
    x = 92,608.91

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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.