Home / 108,183.74-149,286.98-59,784.58

Finding the Fourth Proportional to 108,183.74, 149,286.98 and 59,784.58

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Solution

The fourth proportional to 108,183.74, 149,286.98 and 59,784.58 is: 82,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,183.74 : 149,286.98 = 59,784.58 : x
  2. Step 2: Convert to fraction form
    108,183.74/149,286.98 = 59,784.58/x
  3. Step 3: Cross multiply
    108,183.74x = 149,286.98 × 59,784.58
  4. Step 4: Simplify right side
    108,183.74x = 8,925,059,398.77
  5. Step 5: Solve for x
    x = 8,925,059,398.77/108,183.74
  6. Step 6: Final answer
    x = 82,499.08

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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.