Home / 107,975.37-148,972.98-62,637.64

Finding the Fourth Proportional to 107,975.37, 148,972.98 and 62,637.64

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Solution

The fourth proportional to 107,975.37, 148,972.98 and 62,637.64 is: 86,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,975.37 : 148,972.98 = 62,637.64 : x
  2. Step 2: Convert to fraction form
    107,975.37/148,972.98 = 62,637.64/x
  3. Step 3: Cross multiply
    107,975.37x = 148,972.98 × 62,637.64
  4. Step 4: Simplify right side
    107,975.37x = 9,331,315,890.97
  5. Step 5: Solve for x
    x = 9,331,315,890.97/107,975.37
  6. Step 6: Final answer
    x = 86,420.78

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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.