Home / 84,914.10-117,194.58-61,119.54

Finding the Fourth Proportional to 84,914.10, 117,194.58 and 61,119.54

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Solution

The fourth proportional to 84,914.10, 117,194.58 and 61,119.54 is: 84,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,914.10 : 117,194.58 = 61,119.54 : x
  2. Step 2: Convert to fraction form
    84,914.10/117,194.58 = 61,119.54/x
  3. Step 3: Cross multiply
    84,914.10x = 117,194.58 × 61,119.54
  4. Step 4: Simplify right side
    84,914.10x = 7,162,878,820.09
  5. Step 5: Solve for x
    x = 7,162,878,820.09/84,914.10
  6. Step 6: Final answer
    x = 84,354.41

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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.