Home / 69,108.79-95,370.04-38,894.33

Finding the Fourth Proportional to 69,108.79, 95,370.04 and 38,894.33

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Solution

The fourth proportional to 69,108.79, 95,370.04 and 38,894.33 is: 53,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108.79 : 95,370.04 = 38,894.33 : x
  2. Step 2: Convert to fraction form
    69,108.79/95,370.04 = 38,894.33/x
  3. Step 3: Cross multiply
    69,108.79x = 95,370.04 × 38,894.33
  4. Step 4: Simplify right side
    69,108.79x = 3,709,353,807.87
  5. Step 5: Solve for x
    x = 3,709,353,807.87/69,108.79
  6. Step 6: Final answer
    x = 53,674.12

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1.5x scale

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.