Home / 109,357.32-163,977.66-56,636.04

Finding the Fourth Proportional to 109,357.32, 163,977.66 and 56,636.04

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Solution

The fourth proportional to 109,357.32, 163,977.66 and 56,636.04 is: 84,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,357.32 : 163,977.66 = 56,636.04 : x
  2. Step 2: Convert to fraction form
    109,357.32/163,977.66 = 56,636.04/x
  3. Step 3: Cross multiply
    109,357.32x = 163,977.66 × 56,636.04
  4. Step 4: Simplify right side
    109,357.32x = 9,287,045,310.87
  5. Step 5: Solve for x
    x = 9,287,045,310.87/109,357.32
  6. Step 6: Final answer
    x = 84,923.86

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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.