Home / 91,454.97-126,212.76-51,166.33

Finding the Fourth Proportional to 91,454.97, 126,212.76 and 51,166.33

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Solution

The fourth proportional to 91,454.97, 126,212.76 and 51,166.33 is: 70,612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454.97 : 126,212.76 = 51,166.33 : x
  2. Step 2: Convert to fraction form
    91,454.97/126,212.76 = 51,166.33/x
  3. Step 3: Cross multiply
    91,454.97x = 126,212.76 × 51,166.33
  4. Step 4: Simplify right side
    91,454.97x = 6,457,843,728.37
  5. Step 5: Solve for x
    x = 6,457,843,728.37/91,454.97
  6. Step 6: Final answer
    x = 70,612.28

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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.