Home / 105,596.06-145,722.60-57,849.57

Finding the Fourth Proportional to 105,596.06, 145,722.60 and 57,849.57

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Solution

The fourth proportional to 105,596.06, 145,722.60 and 57,849.57 is: 79,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,596.06 : 145,722.60 = 57,849.57 : x
  2. Step 2: Convert to fraction form
    105,596.06/145,722.60 = 57,849.57/x
  3. Step 3: Cross multiply
    105,596.06x = 145,722.60 × 57,849.57
  4. Step 4: Simplify right side
    105,596.06x = 8,429,989,749.28
  5. Step 5: Solve for x
    x = 8,429,989,749.28/105,596.06
  6. Step 6: Final answer
    x = 79,832.43

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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.