Home / 91,487.25-126,257.97-51,200.19

Finding the Fourth Proportional to 91,487.25, 126,257.97 and 51,200.19

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Solution

The fourth proportional to 91,487.25, 126,257.97 and 51,200.19 is: 70,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,487.25 : 126,257.97 = 51,200.19 : x
  2. Step 2: Convert to fraction form
    91,487.25/126,257.97 = 51,200.19/x
  3. Step 3: Cross multiply
    91,487.25x = 126,257.97 × 51,200.19
  4. Step 4: Simplify right side
    91,487.25x = 6,464,432,053.01
  5. Step 5: Solve for x
    x = 6,464,432,053.01/91,487.25
  6. Step 6: Final answer
    x = 70,659.38

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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.