Home / 86,179.36-118,887.60-50,370.88

Finding the Fourth Proportional to 86,179.36, 118,887.60 and 50,370.88

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Solution

The fourth proportional to 86,179.36, 118,887.60 and 50,370.88 is: 69,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,179.36 : 118,887.60 = 50,370.88 : x
  2. Step 2: Convert to fraction form
    86,179.36/118,887.60 = 50,370.88/x
  3. Step 3: Cross multiply
    86,179.36x = 118,887.60 × 50,370.88
  4. Step 4: Simplify right side
    86,179.36x = 5,988,473,033.09
  5. Step 5: Solve for x
    x = 5,988,473,033.09/86,179.36
  6. Step 6: Final answer
    x = 69,488.48

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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.