Home / 75,623.40-113,435.10-25,759.80

Finding the Fourth Proportional to 75,623.40, 113,435.10 and 25,759.80

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Solution

The fourth proportional to 75,623.40, 113,435.10 and 25,759.80 is: 38,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.40 : 113,435.10 = 25,759.80 : x
  2. Step 2: Convert to fraction form
    75,623.40/113,435.10 = 25,759.80/x
  3. Step 3: Cross multiply
    75,623.40x = 113,435.10 × 25,759.80
  4. Step 4: Simplify right side
    75,623.40x = 2,922,065,488.98
  5. Step 5: Solve for x
    x = 2,922,065,488.98/75,623.40
  6. Step 6: Final answer
    x = 38,639.70

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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.