Home / 83,984.94-115,914.33-48,186.81

Finding the Fourth Proportional to 83,984.94, 115,914.33 and 48,186.81

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Solution

The fourth proportional to 83,984.94, 115,914.33 and 48,186.81 is: 66,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984.94 : 115,914.33 = 48,186.81 : x
  2. Step 2: Convert to fraction form
    83,984.94/115,914.33 = 48,186.81/x
  3. Step 3: Cross multiply
    83,984.94x = 115,914.33 × 48,186.81
  4. Step 4: Simplify right side
    83,984.94x = 5,585,541,795.99
  5. Step 5: Solve for x
    x = 5,585,541,795.99/83,984.94
  6. Step 6: Final answer
    x = 66,506.47

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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.