Home / 105,233.96-157,642.76-55,239.14

Finding the Fourth Proportional to 105,233.96, 157,642.76 and 55,239.14

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Solution

The fourth proportional to 105,233.96, 157,642.76 and 55,239.14 is: 82,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,233.96 : 157,642.76 = 55,239.14 : x
  2. Step 2: Convert to fraction form
    105,233.96/157,642.76 = 55,239.14/x
  3. Step 3: Cross multiply
    105,233.96x = 157,642.76 × 55,239.14
  4. Step 4: Simplify right side
    105,233.96x = 8,708,050,489.63
  5. Step 5: Solve for x
    x = 8,708,050,489.63/105,233.96
  6. Step 6: Final answer
    x = 82,749.43

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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.