Home / 106,933.68-147,635.40-68,708.64

Finding the Fourth Proportional to 106,933.68, 147,635.40 and 68,708.64

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Solution

The fourth proportional to 106,933.68, 147,635.40 and 68,708.64 is: 94,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,933.68 : 147,635.40 = 68,708.64 : x
  2. Step 2: Convert to fraction form
    106,933.68/147,635.40 = 68,708.64/x
  3. Step 3: Cross multiply
    106,933.68x = 147,635.40 × 68,708.64
  4. Step 4: Simplify right side
    106,933.68x = 10,143,827,549.86
  5. Step 5: Solve for x
    x = 10,143,827,549.86/106,933.68
  6. Step 6: Final answer
    x = 94,860.92

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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.