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Finding the Fourth Proportional to 77,903.73, 107,529.17 and 46,083.69

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Solution

The fourth proportional to 77,903.73, 107,529.17 and 46,083.69 is: 63,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,903.73 : 107,529.17 = 46,083.69 : x
  2. Step 2: Convert to fraction form
    77,903.73/107,529.17 = 46,083.69/x
  3. Step 3: Cross multiply
    77,903.73x = 107,529.17 × 46,083.69
  4. Step 4: Simplify right side
    77,903.73x = 4,955,340,936.24
  5. Step 5: Solve for x
    x = 4,955,340,936.24/77,903.73
  6. Step 6: Final answer
    x = 63,608.52

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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.