Home / 86,914.49-119,942.05-47,170.49

Finding the Fourth Proportional to 86,914.49, 119,942.05 and 47,170.49

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Solution

The fourth proportional to 86,914.49, 119,942.05 and 47,170.49 is: 65,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.49 : 119,942.05 = 47,170.49 : x
  2. Step 2: Convert to fraction form
    86,914.49/119,942.05 = 47,170.49/x
  3. Step 3: Cross multiply
    86,914.49x = 119,942.05 × 47,170.49
  4. Step 4: Simplify right side
    86,914.49x = 5,657,725,034.25
  5. Step 5: Solve for x
    x = 5,657,725,034.25/86,914.49
  6. Step 6: Final answer
    x = 65,095.30

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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.