Home / 84,299.32-126,448.51-34,379.22

Finding the Fourth Proportional to 84,299.32, 126,448.51 and 34,379.22

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Solution

The fourth proportional to 84,299.32, 126,448.51 and 34,379.22 is: 51,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,299.32 : 126,448.51 = 34,379.22 : x
  2. Step 2: Convert to fraction form
    84,299.32/126,448.51 = 34,379.22/x
  3. Step 3: Cross multiply
    84,299.32x = 126,448.51 × 34,379.22
  4. Step 4: Simplify right side
    84,299.32x = 4,347,201,143.96
  5. Step 5: Solve for x
    x = 4,347,201,143.96/84,299.32
  6. Step 6: Final answer
    x = 51,568.64

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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.