Home / 84,841.25-127,205.71-40,474.85

Finding the Fourth Proportional to 84,841.25, 127,205.71 and 40,474.85

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Solution

The fourth proportional to 84,841.25, 127,205.71 and 40,474.85 is: 60,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.25 : 127,205.71 = 40,474.85 : x
  2. Step 2: Convert to fraction form
    84,841.25/127,205.71 = 40,474.85/x
  3. Step 3: Cross multiply
    84,841.25x = 127,205.71 × 40,474.85
  4. Step 4: Simplify right side
    84,841.25x = 5,148,632,031.39
  5. Step 5: Solve for x
    x = 5,148,632,031.39/84,841.25
  6. Step 6: Final answer
    x = 60,685.48

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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.