Home / 77,669.72-116,539.45-46,141.39

Finding the Fourth Proportional to 77,669.72, 116,539.45 and 46,141.39

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Solution

The fourth proportional to 77,669.72, 116,539.45 and 46,141.39 is: 69,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,669.72 : 116,539.45 = 46,141.39 : x
  2. Step 2: Convert to fraction form
    77,669.72/116,539.45 = 46,141.39/x
  3. Step 3: Cross multiply
    77,669.72x = 116,539.45 × 46,141.39
  4. Step 4: Simplify right side
    77,669.72x = 5,377,292,212.84
  5. Step 5: Solve for x
    x = 5,377,292,212.84/77,669.72
  6. Step 6: Final answer
    x = 69,232.80

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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.