Home / 66,414.06-99,664.83-31,357.26

Finding the Fourth Proportional to 66,414.06, 99,664.83 and 31,357.26

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Solution

The fourth proportional to 66,414.06, 99,664.83 and 31,357.26 is: 47,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414.06 : 99,664.83 = 31,357.26 : x
  2. Step 2: Convert to fraction form
    66,414.06/99,664.83 = 31,357.26/x
  3. Step 3: Cross multiply
    66,414.06x = 99,664.83 × 31,357.26
  4. Step 4: Simplify right side
    66,414.06x = 3,125,215,987.17
  5. Step 5: Solve for x
    x = 3,125,215,987.17/66,414.06
  6. Step 6: Final answer
    x = 47,056.54

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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.