Home / 85,977.66-118,649.10-50,160.74

Finding the Fourth Proportional to 85,977.66, 118,649.10 and 50,160.74

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Solution

The fourth proportional to 85,977.66, 118,649.10 and 50,160.74 is: 69,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,977.66 : 118,649.10 = 50,160.74 : x
  2. Step 2: Convert to fraction form
    85,977.66/118,649.10 = 50,160.74/x
  3. Step 3: Cross multiply
    85,977.66x = 118,649.10 × 50,160.74
  4. Step 4: Simplify right side
    85,977.66x = 5,951,526,063.09
  5. Step 5: Solve for x
    x = 5,951,526,063.09/85,977.66
  6. Step 6: Final answer
    x = 69,221.77

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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.