Home / 75,205.26-112,844.64-53,160.30

Finding the Fourth Proportional to 75,205.26, 112,844.64 and 53,160.30

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Solution

The fourth proportional to 75,205.26, 112,844.64 and 53,160.30 is: 79,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,205.26 : 112,844.64 = 53,160.30 : x
  2. Step 2: Convert to fraction form
    75,205.26/112,844.64 = 53,160.30/x
  3. Step 3: Cross multiply
    75,205.26x = 112,844.64 × 53,160.30
  4. Step 4: Simplify right side
    75,205.26x = 5,998,854,915.79
  5. Step 5: Solve for x
    x = 5,998,854,915.79/75,205.26
  6. Step 6: Final answer
    x = 79,766.43

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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.