Home / 76,170.26-105,116.04-43,887.07

Finding the Fourth Proportional to 76,170.26, 105,116.04 and 43,887.07

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Solution

The fourth proportional to 76,170.26, 105,116.04 and 43,887.07 is: 60,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,170.26 : 105,116.04 = 43,887.07 : x
  2. Step 2: Convert to fraction form
    76,170.26/105,116.04 = 43,887.07/x
  3. Step 3: Cross multiply
    76,170.26x = 105,116.04 × 43,887.07
  4. Step 4: Simplify right side
    76,170.26x = 4,613,235,005.60
  5. Step 5: Solve for x
    x = 4,613,235,005.60/76,170.26
  6. Step 6: Final answer
    x = 60,564.78

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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.