Home / 84,687.31-127,004.32-30,645.01

Finding the Fourth Proportional to 84,687.31, 127,004.32 and 30,645.01

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Solution

The fourth proportional to 84,687.31, 127,004.32 and 30,645.01 is: 45,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,687.31 : 127,004.32 = 30,645.01 : x
  2. Step 2: Convert to fraction form
    84,687.31/127,004.32 = 30,645.01/x
  3. Step 3: Cross multiply
    84,687.31x = 127,004.32 × 30,645.01
  4. Step 4: Simplify right side
    84,687.31x = 3,892,048,656.44
  5. Step 5: Solve for x
    x = 3,892,048,656.44/84,687.31
  6. Step 6: Final answer
    x = 45,957.87

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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.