Home / 87,841.56-121,189.86-50,093.94

Finding the Fourth Proportional to 87,841.56, 121,189.86 and 50,093.94

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Solution

The fourth proportional to 87,841.56, 121,189.86 and 50,093.94 is: 69,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,841.56 : 121,189.86 = 50,093.94 : x
  2. Step 2: Convert to fraction form
    87,841.56/121,189.86 = 50,093.94/x
  3. Step 3: Cross multiply
    87,841.56x = 121,189.86 × 50,093.94
  4. Step 4: Simplify right side
    87,841.56x = 6,070,877,575.45
  5. Step 5: Solve for x
    x = 6,070,877,575.45/87,841.56
  6. Step 6: Final answer
    x = 69,111.68

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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.