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Finding the Fourth Proportional to 77,448.67, 116,110.46 and 30,039.29

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Solution

The fourth proportional to 77,448.67, 116,110.46 and 30,039.29 is: 45,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,448.67 : 116,110.46 = 30,039.29 : x
  2. Step 2: Convert to fraction form
    77,448.67/116,110.46 = 30,039.29/x
  3. Step 3: Cross multiply
    77,448.67x = 116,110.46 × 30,039.29
  4. Step 4: Simplify right side
    77,448.67x = 3,487,875,779.97
  5. Step 5: Solve for x
    x = 3,487,875,779.97/77,448.67
  6. Step 6: Final answer
    x = 45,034.68

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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.