Home / 85,231.53-127,852.34-26,071.29

Finding the Fourth Proportional to 85,231.53, 127,852.34 and 26,071.29

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Solution

The fourth proportional to 85,231.53, 127,852.34 and 26,071.29 is: 39,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.53 : 127,852.34 = 26,071.29 : x
  2. Step 2: Convert to fraction form
    85,231.53/127,852.34 = 26,071.29/x
  3. Step 3: Cross multiply
    85,231.53x = 127,852.34 × 26,071.29
  4. Step 4: Simplify right side
    85,231.53x = 3,333,275,302.96
  5. Step 5: Solve for x
    x = 3,333,275,302.96/85,231.53
  6. Step 6: Final answer
    x = 39,108.48

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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.