Home / 75,476.75-113,228.79-31,079.30

Finding the Fourth Proportional to 75,476.75, 113,228.79 and 31,079.30

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Solution

The fourth proportional to 75,476.75, 113,228.79 and 31,079.30 is: 46,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,476.75 : 113,228.79 = 31,079.30 : x
  2. Step 2: Convert to fraction form
    75,476.75/113,228.79 = 31,079.30/x
  3. Step 3: Cross multiply
    75,476.75x = 113,228.79 × 31,079.30
  4. Step 4: Simplify right side
    75,476.75x = 3,519,070,850.36
  5. Step 5: Solve for x
    x = 3,519,070,850.36/75,476.75
  6. Step 6: Final answer
    x = 46,624.57

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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.