Home / 78,735.06-108,656.94-44,742.96

Finding the Fourth Proportional to 78,735.06, 108,656.94 and 44,742.96

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Solution

The fourth proportional to 78,735.06, 108,656.94 and 44,742.96 is: 61,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,735.06 : 108,656.94 = 44,742.96 : x
  2. Step 2: Convert to fraction form
    78,735.06/108,656.94 = 44,742.96/x
  3. Step 3: Cross multiply
    78,735.06x = 108,656.94 × 44,742.96
  4. Step 4: Simplify right side
    78,735.06x = 4,861,633,120.14
  5. Step 5: Solve for x
    x = 4,861,633,120.14/78,735.06
  6. Step 6: Final answer
    x = 61,746.74

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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.