Home / 84,906.72-127,357.92-40,564.80

Finding the Fourth Proportional to 84,906.72, 127,357.92 and 40,564.80

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Solution

The fourth proportional to 84,906.72, 127,357.92 and 40,564.80 is: 60,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.72 : 127,357.92 = 40,564.80 : x
  2. Step 2: Convert to fraction form
    84,906.72/127,357.92 = 40,564.80/x
  3. Step 3: Cross multiply
    84,906.72x = 127,357.92 × 40,564.80
  4. Step 4: Simplify right side
    84,906.72x = 5,166,248,553.22
  5. Step 5: Solve for x
    x = 5,166,248,553.22/84,906.72
  6. Step 6: Final answer
    x = 60,846.17

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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.