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Finding the Fourth Proportional to 84,846.80, 127,270.20 and 49,768.40

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Solution

The fourth proportional to 84,846.80, 127,270.20 and 49,768.40 is: 74,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.80 : 127,270.20 = 49,768.40 : x
  2. Step 2: Convert to fraction form
    84,846.80/127,270.20 = 49,768.40/x
  3. Step 3: Cross multiply
    84,846.80x = 127,270.20 × 49,768.40
  4. Step 4: Simplify right side
    84,846.80x = 6,334,034,221.68
  5. Step 5: Solve for x
    x = 6,334,034,221.68/84,846.80
  6. Step 6: Final answer
    x = 74,652.60

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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.