Home / 78,317.58-108,077.96-44,325.12

Finding the Fourth Proportional to 78,317.58, 108,077.96 and 44,325.12

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Solution

The fourth proportional to 78,317.58, 108,077.96 and 44,325.12 is: 61,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,317.58 : 108,077.96 = 44,325.12 : x
  2. Step 2: Convert to fraction form
    78,317.58/108,077.96 = 44,325.12/x
  3. Step 3: Cross multiply
    78,317.58x = 108,077.96 × 44,325.12
  4. Step 4: Simplify right side
    78,317.58x = 4,790,568,546.36
  5. Step 5: Solve for x
    x = 4,790,568,546.36/78,317.58
  6. Step 6: Final answer
    x = 61,168.50

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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.