Home / 75,623.18-113,236.59-53,315.78

Finding the Fourth Proportional to 75,623.18, 113,236.59 and 53,315.78

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Solution

The fourth proportional to 75,623.18, 113,236.59 and 53,315.78 is: 79,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.18 : 113,236.59 = 53,315.78 : x
  2. Step 2: Convert to fraction form
    75,623.18/113,236.59 = 53,315.78/x
  3. Step 3: Cross multiply
    75,623.18x = 113,236.59 × 53,315.78
  4. Step 4: Simplify right side
    75,623.18x = 6,037,297,120.39
  5. Step 5: Solve for x
    x = 6,037,297,120.39/75,623.18
  6. Step 6: Final answer
    x = 79,833.95

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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.