Home / 75,950.10-113,931.63-19,797.66

Finding the Fourth Proportional to 75,950.10, 113,931.63 and 19,797.66

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Solution

The fourth proportional to 75,950.10, 113,931.63 and 19,797.66 is: 29,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,950.10 : 113,931.63 = 19,797.66 : x
  2. Step 2: Convert to fraction form
    75,950.10/113,931.63 = 19,797.66/x
  3. Step 3: Cross multiply
    75,950.10x = 113,931.63 × 19,797.66
  4. Step 4: Simplify right side
    75,950.10x = 2,255,579,673.99
  5. Step 5: Solve for x
    x = 2,255,579,673.99/75,950.10
  6. Step 6: Final answer
    x = 29,698.18

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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.