Home / 78,736.46-118,172.93-41,322.96

Finding the Fourth Proportional to 78,736.46, 118,172.93 and 41,322.96

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Solution

The fourth proportional to 78,736.46, 118,172.93 and 41,322.96 is: 62,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,736.46 : 118,172.93 = 41,322.96 : x
  2. Step 2: Convert to fraction form
    78,736.46/118,172.93 = 41,322.96/x
  3. Step 3: Cross multiply
    78,736.46x = 118,172.93 × 41,322.96
  4. Step 4: Simplify right side
    78,736.46x = 4,883,255,052.86
  5. Step 5: Solve for x
    x = 4,883,255,052.86/78,736.46
  6. Step 6: Final answer
    x = 62,020.26

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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.