Home / 43,257.60-64,882.08-12,093.12

Finding the Fourth Proportional to 43,257.60, 64,882.08 and 12,093.12

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Solution

The fourth proportional to 43,257.60, 64,882.08 and 12,093.12 is: 18,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,257.60 : 64,882.08 = 12,093.12 : x
  2. Step 2: Convert to fraction form
    43,257.60/64,882.08 = 12,093.12/x
  3. Step 3: Cross multiply
    43,257.60x = 64,882.08 × 12,093.12
  4. Step 4: Simplify right side
    43,257.60x = 784,626,779.29
  5. Step 5: Solve for x
    x = 784,626,779.29/43,257.60
  6. Step 6: Final answer
    x = 18,138.47

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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.