Home / 84,902.50-127,178.70-49,735.54

Finding the Fourth Proportional to 84,902.50, 127,178.70 and 49,735.54

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Solution

The fourth proportional to 84,902.50, 127,178.70 and 49,735.54 is: 74,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,902.50 : 127,178.70 = 49,735.54 : x
  2. Step 2: Convert to fraction form
    84,902.50/127,178.70 = 49,735.54/x
  3. Step 3: Cross multiply
    84,902.50x = 127,178.70 × 49,735.54
  4. Step 4: Simplify right side
    84,902.50x = 6,325,301,321.00
  5. Step 5: Solve for x
    x = 6,325,301,321.00/84,902.50
  6. Step 6: Final answer
    x = 74,500.77

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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.