Home / 84,938.91-127,401.03-28,777.83

Finding the Fourth Proportional to 84,938.91, 127,401.03 and 28,777.83

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Solution

The fourth proportional to 84,938.91, 127,401.03 and 28,777.83 is: 43,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,938.91 : 127,401.03 = 28,777.83 : x
  2. Step 2: Convert to fraction form
    84,938.91/127,401.03 = 28,777.83/x
  3. Step 3: Cross multiply
    84,938.91x = 127,401.03 × 28,777.83
  4. Step 4: Simplify right side
    84,938.91x = 3,666,325,183.16
  5. Step 5: Solve for x
    x = 3,666,325,183.16/84,938.91
  6. Step 6: Final answer
    x = 43,164.26

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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.