Home / 71,790.12-107,586.63-36,656.10

Finding the Fourth Proportional to 71,790.12, 107,586.63 and 36,656.10

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Solution

The fourth proportional to 71,790.12, 107,586.63 and 36,656.10 is: 54,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,790.12 : 107,586.63 = 36,656.10 : x
  2. Step 2: Convert to fraction form
    71,790.12/107,586.63 = 36,656.10/x
  3. Step 3: Cross multiply
    71,790.12x = 107,586.63 × 36,656.10
  4. Step 4: Simplify right side
    71,790.12x = 3,943,706,267.94
  5. Step 5: Solve for x
    x = 3,943,706,267.94/71,790.12
  6. Step 6: Final answer
    x = 54,933.83

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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.