Home / 107,972.87-148,969.53-62,635.14

Finding the Fourth Proportional to 107,972.87, 148,969.53 and 62,635.14

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Solution

The fourth proportional to 107,972.87, 148,969.53 and 62,635.14 is: 86,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,972.87 : 148,969.53 = 62,635.14 : x
  2. Step 2: Convert to fraction form
    107,972.87/148,969.53 = 62,635.14/x
  3. Step 3: Cross multiply
    107,972.87x = 148,969.53 × 62,635.14
  4. Step 4: Simplify right side
    107,972.87x = 9,330,727,367.28
  5. Step 5: Solve for x
    x = 9,330,727,367.28/107,972.87
  6. Step 6: Final answer
    x = 86,417.34

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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.