Home / 77,152.09-115,727.31-58,546.39

Finding the Fourth Proportional to 77,152.09, 115,727.31 and 58,546.39

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Solution

The fourth proportional to 77,152.09, 115,727.31 and 58,546.39 is: 87,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,152.09 : 115,727.31 = 58,546.39 : x
  2. Step 2: Convert to fraction form
    77,152.09/115,727.31 = 58,546.39/x
  3. Step 3: Cross multiply
    77,152.09x = 115,727.31 × 58,546.39
  4. Step 4: Simplify right side
    77,152.09x = 6,775,416,224.91
  5. Step 5: Solve for x
    x = 6,775,416,224.91/77,152.09
  6. Step 6: Final answer
    x = 87,818.96

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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.