Home / 75,787.11-113,779.08-58,269.24

Finding the Fourth Proportional to 75,787.11, 113,779.08 and 58,269.24

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Solution

The fourth proportional to 75,787.11, 113,779.08 and 58,269.24 is: 87,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.11 : 113,779.08 = 58,269.24 : x
  2. Step 2: Convert to fraction form
    75,787.11/113,779.08 = 58,269.24/x
  3. Step 3: Cross multiply
    75,787.11x = 113,779.08 × 58,269.24
  4. Step 4: Simplify right side
    75,787.11x = 6,629,820,519.50
  5. Step 5: Solve for x
    x = 6,629,820,519.50/75,787.11
  6. Step 6: Final answer
    x = 87,479.53

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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.