Home / 102,334.60-141,212.10-57,007.96

Finding the Fourth Proportional to 102,334.60, 141,212.10 and 57,007.96

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Solution

The fourth proportional to 102,334.60, 141,212.10 and 57,007.96 is: 78,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,334.60 : 141,212.10 = 57,007.96 : x
  2. Step 2: Convert to fraction form
    102,334.60/141,212.10 = 57,007.96/x
  3. Step 3: Cross multiply
    102,334.60x = 141,212.10 × 57,007.96
  4. Step 4: Simplify right side
    102,334.60x = 8,050,213,748.32
  5. Step 5: Solve for x
    x = 8,050,213,748.32/102,334.60
  6. Step 6: Final answer
    x = 78,665.61

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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.