Home / 75,558.15-113,361.84-36,118.35

Finding the Fourth Proportional to 75,558.15, 113,361.84 and 36,118.35

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Solution

The fourth proportional to 75,558.15, 113,361.84 and 36,118.35 is: 54,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,558.15 : 113,361.84 = 36,118.35 : x
  2. Step 2: Convert to fraction form
    75,558.15/113,361.84 = 36,118.35/x
  3. Step 3: Cross multiply
    75,558.15x = 113,361.84 × 36,118.35
  4. Step 4: Simplify right side
    75,558.15x = 4,094,442,613.76
  5. Step 5: Solve for x
    x = 4,094,442,613.76/75,558.15
  6. Step 6: Final answer
    x = 54,189.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.