Home / 66,606.35-99,958.80-31,546.07

Finding the Fourth Proportional to 66,606.35, 99,958.80 and 31,546.07

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Solution

The fourth proportional to 66,606.35, 99,958.80 and 31,546.07 is: 47,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.35 : 99,958.80 = 31,546.07 : x
  2. Step 2: Convert to fraction form
    66,606.35/99,958.80 = 31,546.07/x
  3. Step 3: Cross multiply
    66,606.35x = 99,958.80 × 31,546.07
  4. Step 4: Simplify right side
    66,606.35x = 3,153,307,301.92
  5. Step 5: Solve for x
    x = 3,153,307,301.92/66,606.35
  6. Step 6: Final answer
    x = 47,342.44

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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.