Home / 91,453.97-126,211.38-51,165.33

Finding the Fourth Proportional to 91,453.97, 126,211.38 and 51,165.33

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Solution

The fourth proportional to 91,453.97, 126,211.38 and 51,165.33 is: 70,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453.97 : 126,211.38 = 51,165.33 : x
  2. Step 2: Convert to fraction form
    91,453.97/126,211.38 = 51,165.33/x
  3. Step 3: Cross multiply
    91,453.97x = 126,211.38 × 51,165.33
  4. Step 4: Simplify right side
    91,453.97x = 6,457,646,907.46
  5. Step 5: Solve for x
    x = 6,457,646,907.46/91,453.97
  6. Step 6: Final answer
    x = 70,610.90

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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.