Home / 75,510.63-113,195.21-25,555.77

Finding the Fourth Proportional to 75,510.63, 113,195.21 and 25,555.77

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Solution

The fourth proportional to 75,510.63, 113,195.21 and 25,555.77 is: 38,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,510.63 : 113,195.21 = 25,555.77 : x
  2. Step 2: Convert to fraction form
    75,510.63/113,195.21 = 25,555.77/x
  3. Step 3: Cross multiply
    75,510.63x = 113,195.21 × 25,555.77
  4. Step 4: Simplify right side
    75,510.63x = 2,892,790,624.08
  5. Step 5: Solve for x
    x = 2,892,790,624.08/75,510.63
  6. Step 6: Final answer
    x = 38,309.71

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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.