Home / 108,115.25-149,198.15-59,056.91

Finding the Fourth Proportional to 108,115.25, 149,198.15 and 59,056.91

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Solution

The fourth proportional to 108,115.25, 149,198.15 and 59,056.91 is: 81,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115.25 : 149,198.15 = 59,056.91 : x
  2. Step 2: Convert to fraction form
    108,115.25/149,198.15 = 59,056.91/x
  3. Step 3: Cross multiply
    108,115.25x = 149,198.15 × 59,056.91
  4. Step 4: Simplify right side
    108,115.25x = 8,811,181,716.72
  5. Step 5: Solve for x
    x = 8,811,181,716.72/108,115.25
  6. Step 6: Final answer
    x = 81,498.05

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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.