Home / 69,523.12-104,282.64-16,931.84

Finding the Fourth Proportional to 69,523.12, 104,282.64 and 16,931.84

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Solution

The fourth proportional to 69,523.12, 104,282.64 and 16,931.84 is: 25,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,523.12 : 104,282.64 = 16,931.84 : x
  2. Step 2: Convert to fraction form
    69,523.12/104,282.64 = 16,931.84/x
  3. Step 3: Cross multiply
    69,523.12x = 104,282.64 × 16,931.84
  4. Step 4: Simplify right side
    69,523.12x = 1,765,696,975.26
  5. Step 5: Solve for x
    x = 1,765,696,975.26/69,523.12
  6. Step 6: Final answer
    x = 25,397.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.