Home / 75,890.24-113,780.64-36,416.96

Finding the Fourth Proportional to 75,890.24, 113,780.64 and 36,416.96

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Solution

The fourth proportional to 75,890.24, 113,780.64 and 36,416.96 is: 54,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,890.24 : 113,780.64 = 36,416.96 : x
  2. Step 2: Convert to fraction form
    75,890.24/113,780.64 = 36,416.96/x
  3. Step 3: Cross multiply
    75,890.24x = 113,780.64 × 36,416.96
  4. Step 4: Simplify right side
    75,890.24x = 4,143,545,015.65
  5. Step 5: Solve for x
    x = 4,143,545,015.65/75,890.24
  6. Step 6: Final answer
    x = 54,599.18

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1.5x scale

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.