Home / 107,743.12-148,662.96-62,418.40

Finding the Fourth Proportional to 107,743.12, 148,662.96 and 62,418.40

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Solution

The fourth proportional to 107,743.12, 148,662.96 and 62,418.40 is: 86,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,743.12 : 148,662.96 = 62,418.40 : x
  2. Step 2: Convert to fraction form
    107,743.12/148,662.96 = 62,418.40/x
  3. Step 3: Cross multiply
    107,743.12x = 148,662.96 × 62,418.40
  4. Step 4: Simplify right side
    107,743.12x = 9,279,304,102.46
  5. Step 5: Solve for x
    x = 9,279,304,102.46/107,743.12
  6. Step 6: Final answer
    x = 86,124.33

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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.