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Finding the Fourth Proportional to 94,441, 130,326 and 51,999.76

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Solution

The fourth proportional to 94,441, 130,326 and 51,999.76 is: 71,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,441 : 130,326 = 51,999.76 : x
  2. Step 2: Convert to fraction form
    94,441/130,326 = 51,999.76/x
  3. Step 3: Cross multiply
    94,441x = 130,326 × 51,999.76
  4. Step 4: Simplify right side
    94,441x = 6,776,920,721.76
  5. Step 5: Solve for x
    x = 6,776,920,721.76/94,441
  6. Step 6: Final answer
    x = 71,758.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.