Home / 75,660.40-113,490.60-23,069.80

Finding the Fourth Proportional to 75,660.40, 113,490.60 and 23,069.80

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Solution

The fourth proportional to 75,660.40, 113,490.60 and 23,069.80 is: 34,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,660.40 : 113,490.60 = 23,069.80 : x
  2. Step 2: Convert to fraction form
    75,660.40/113,490.60 = 23,069.80/x
  3. Step 3: Cross multiply
    75,660.40x = 113,490.60 × 23,069.80
  4. Step 4: Simplify right side
    75,660.40x = 2,618,205,443.88
  5. Step 5: Solve for x
    x = 2,618,205,443.88/75,660.40
  6. Step 6: Final answer
    x = 34,604.70

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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.