Home / 91,755.26-126,636.45-51,485.30

Finding the Fourth Proportional to 91,755.26, 126,636.45 and 51,485.30

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Solution

The fourth proportional to 91,755.26, 126,636.45 and 51,485.30 is: 71,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,755.26 : 126,636.45 = 51,485.30 : x
  2. Step 2: Convert to fraction form
    91,755.26/126,636.45 = 51,485.30/x
  3. Step 3: Cross multiply
    91,755.26x = 126,636.45 × 51,485.30
  4. Step 4: Simplify right side
    91,755.26x = 6,519,915,619.19
  5. Step 5: Solve for x
    x = 6,519,915,619.19/91,755.26
  6. Step 6: Final answer
    x = 71,057.68

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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.