Home / 91,504.16-126,273.12-51,219.44

Finding the Fourth Proportional to 91,504.16, 126,273.12 and 51,219.44

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Solution

The fourth proportional to 91,504.16, 126,273.12 and 51,219.44 is: 70,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,504.16 : 126,273.12 = 51,219.44 : x
  2. Step 2: Convert to fraction form
    91,504.16/126,273.12 = 51,219.44/x
  3. Step 3: Cross multiply
    91,504.16x = 126,273.12 × 51,219.44
  4. Step 4: Simplify right side
    91,504.16x = 6,467,638,493.45
  5. Step 5: Solve for x
    x = 6,467,638,493.45/91,504.16
  6. Step 6: Final answer
    x = 70,681.36

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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.