Home / 105,010.48-157,606.80-55,125.82

Finding the Fourth Proportional to 105,010.48, 157,606.80 and 55,125.82

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Solution

The fourth proportional to 105,010.48, 157,606.80 and 55,125.82 is: 82,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,010.48 : 157,606.80 = 55,125.82 : x
  2. Step 2: Convert to fraction form
    105,010.48/157,606.80 = 55,125.82/x
  3. Step 3: Cross multiply
    105,010.48x = 157,606.80 × 55,125.82
  4. Step 4: Simplify right side
    105,010.48x = 8,688,204,087.58
  5. Step 5: Solve for x
    x = 8,688,204,087.58/105,010.48
  6. Step 6: Final answer
    x = 82,736.54

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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.