Home / 69,354.11-95,708.63-39,145.77

Finding the Fourth Proportional to 69,354.11, 95,708.63 and 39,145.77

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Solution

The fourth proportional to 69,354.11, 95,708.63 and 39,145.77 is: 54,021.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,354.11 : 95,708.63 = 39,145.77 : x
  2. Step 2: Convert to fraction form
    69,354.11/95,708.63 = 39,145.77/x
  3. Step 3: Cross multiply
    69,354.11x = 95,708.63 × 39,145.77
  4. Step 4: Simplify right side
    69,354.11x = 3,746,587,538.45
  5. Step 5: Solve for x
    x = 3,746,587,538.45/69,354.11
  6. Step 6: Final answer
    x = 54,021.14

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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.