Home / 98,123.27-147,188.44-27,051.54

Finding the Fourth Proportional to 98,123.27, 147,188.44 and 27,051.54

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Solution

The fourth proportional to 98,123.27, 147,188.44 and 27,051.54 is: 40,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,123.27 : 147,188.44 = 27,051.54 : x
  2. Step 2: Convert to fraction form
    98,123.27/147,188.44 = 27,051.54/x
  3. Step 3: Cross multiply
    98,123.27x = 147,188.44 × 27,051.54
  4. Step 4: Simplify right side
    98,123.27x = 3,981,673,454.06
  5. Step 5: Solve for x
    x = 3,981,673,454.06/98,123.27
  6. Step 6: Final answer
    x = 40,578.28

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1.5x scale

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.