Home / 85,019.14-127,435.20-35,071.96

Finding the Fourth Proportional to 85,019.14, 127,435.20 and 35,071.96

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Solution

The fourth proportional to 85,019.14, 127,435.20 and 35,071.96 is: 52,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,019.14 : 127,435.20 = 35,071.96 : x
  2. Step 2: Convert to fraction form
    85,019.14/127,435.20 = 35,071.96/x
  3. Step 3: Cross multiply
    85,019.14x = 127,435.20 × 35,071.96
  4. Step 4: Simplify right side
    85,019.14x = 4,469,402,236.99
  5. Step 5: Solve for x
    x = 4,469,402,236.99/85,019.14
  6. Step 6: Final answer
    x = 52,569.37

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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.