Home / 84,722.20-127,084.21-25,558.38

Finding the Fourth Proportional to 84,722.20, 127,084.21 and 25,558.38

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Solution

The fourth proportional to 84,722.20, 127,084.21 and 25,558.38 is: 38,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.20 : 127,084.21 = 25,558.38 : x
  2. Step 2: Convert to fraction form
    84,722.20/127,084.21 = 25,558.38/x
  3. Step 3: Cross multiply
    84,722.20x = 127,084.21 × 25,558.38
  4. Step 4: Simplify right side
    84,722.20x = 3,248,066,403.39
  5. Step 5: Solve for x
    x = 3,248,066,403.39/84,722.20
  6. Step 6: Final answer
    x = 38,337.85

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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.