Home / 87,650.74-121,016.37-51,852.22

Finding the Fourth Proportional to 87,650.74, 121,016.37 and 51,852.22

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Solution

The fourth proportional to 87,650.74, 121,016.37 and 51,852.22 is: 71,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,650.74 : 121,016.37 = 51,852.22 : x
  2. Step 2: Convert to fraction form
    87,650.74/121,016.37 = 51,852.22/x
  3. Step 3: Cross multiply
    87,650.74x = 121,016.37 × 51,852.22
  4. Step 4: Simplify right side
    87,650.74x = 6,274,967,440.84
  5. Step 5: Solve for x
    x = 6,274,967,440.84/87,650.74
  6. Step 6: Final answer
    x = 71,590.58

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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.