Home / 75,033.57-112,425.75-52,800.42

Finding the Fourth Proportional to 75,033.57, 112,425.75 and 52,800.42

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Solution

The fourth proportional to 75,033.57, 112,425.75 and 52,800.42 is: 79,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,033.57 : 112,425.75 = 52,800.42 : x
  2. Step 2: Convert to fraction form
    75,033.57/112,425.75 = 52,800.42/x
  3. Step 3: Cross multiply
    75,033.57x = 112,425.75 × 52,800.42
  4. Step 4: Simplify right side
    75,033.57x = 5,936,126,818.82
  5. Step 5: Solve for x
    x = 5,936,126,818.82/75,033.57
  6. Step 6: Final answer
    x = 79,112.95

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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.