Home / 75,148.63-112,059.82-74,473.73

Finding the Fourth Proportional to 75,148.63, 112,059.82 and 74,473.73

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Solution

The fourth proportional to 75,148.63, 112,059.82 and 74,473.73 is: 111,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,148.63 : 112,059.82 = 74,473.73 : x
  2. Step 2: Convert to fraction form
    75,148.63/112,059.82 = 74,473.73/x
  3. Step 3: Cross multiply
    75,148.63x = 112,059.82 × 74,473.73
  4. Step 4: Simplify right side
    75,148.63x = 8,345,512,872.49
  5. Step 5: Solve for x
    x = 8,345,512,872.49/75,148.63
  6. Step 6: Final answer
    x = 111,053.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.