Home / 76,170.26-105,116.04-43,887.06

Finding the Fourth Proportional to 76,170.26, 105,116.04 and 43,887.06

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Solution

The fourth proportional to 76,170.26, 105,116.04 and 43,887.06 is: 60,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,170.26 : 105,116.04 = 43,887.06 : x
  2. Step 2: Convert to fraction form
    76,170.26/105,116.04 = 43,887.06/x
  3. Step 3: Cross multiply
    76,170.26x = 105,116.04 × 43,887.06
  4. Step 4: Simplify right side
    76,170.26x = 4,613,233,954.44
  5. Step 5: Solve for x
    x = 4,613,233,954.44/76,170.26
  6. Step 6: Final answer
    x = 60,564.77

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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.