Home / 69,108.81-95,373.23-38,896.09

Finding the Fourth Proportional to 69,108.81, 95,373.23 and 38,896.09

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Solution

The fourth proportional to 69,108.81, 95,373.23 and 38,896.09 is: 53,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108.81 : 95,373.23 = 38,896.09 : x
  2. Step 2: Convert to fraction form
    69,108.81/95,373.23 = 38,896.09/x
  3. Step 3: Cross multiply
    69,108.81x = 95,373.23 × 38,896.09
  4. Step 4: Simplify right side
    69,108.81x = 3,709,645,737.67
  5. Step 5: Solve for x
    x = 3,709,645,737.67/69,108.81
  6. Step 6: Final answer
    x = 53,678.33

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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.