Home / 64,425.12-96,635.88-17,678.04

Finding the Fourth Proportional to 64,425.12, 96,635.88 and 17,678.04

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Solution

The fourth proportional to 64,425.12, 96,635.88 and 17,678.04 is: 26,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,425.12 : 96,635.88 = 17,678.04 : x
  2. Step 2: Convert to fraction form
    64,425.12/96,635.88 = 17,678.04/x
  3. Step 3: Cross multiply
    64,425.12x = 96,635.88 × 17,678.04
  4. Step 4: Simplify right side
    64,425.12x = 1,708,332,952.08
  5. Step 5: Solve for x
    x = 1,708,332,952.08/64,425.12
  6. Step 6: Final answer
    x = 26,516.57

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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.