Home / 58,736.88-80,945.16-57,657.36

Finding the Fourth Proportional to 58,736.88, 80,945.16 and 57,657.36

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Solution

The fourth proportional to 58,736.88, 80,945.16 and 57,657.36 is: 79,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,736.88 : 80,945.16 = 57,657.36 : x
  2. Step 2: Convert to fraction form
    58,736.88/80,945.16 = 57,657.36/x
  3. Step 3: Cross multiply
    58,736.88x = 80,945.16 × 57,657.36
  4. Step 4: Simplify right side
    58,736.88x = 4,667,084,230.38
  5. Step 5: Solve for x
    x = 4,667,084,230.38/58,736.88
  6. Step 6: Final answer
    x = 79,457.48

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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.