Home / 124,239.76-171,446.18-75,922.48

Finding the Fourth Proportional to 124,239.76, 171,446.18 and 75,922.48

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Solution

The fourth proportional to 124,239.76, 171,446.18 and 75,922.48 is: 104,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,239.76 : 171,446.18 = 75,922.48 : x
  2. Step 2: Convert to fraction form
    124,239.76/171,446.18 = 75,922.48/x
  3. Step 3: Cross multiply
    124,239.76x = 171,446.18 × 75,922.48
  4. Step 4: Simplify right side
    124,239.76x = 13,016,619,172.13
  5. Step 5: Solve for x
    x = 13,016,619,172.13/124,239.76
  6. Step 6: Final answer
    x = 104,770.16

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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.