Home / 52,042.07-78,063.31-12,599.12

Finding the Fourth Proportional to 52,042.07, 78,063.31 and 12,599.12

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Solution

The fourth proportional to 52,042.07, 78,063.31 and 12,599.12 is: 18,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.07 : 78,063.31 = 12,599.12 : x
  2. Step 2: Convert to fraction form
    52,042.07/78,063.31 = 12,599.12/x
  3. Step 3: Cross multiply
    52,042.07x = 78,063.31 × 12,599.12
  4. Step 4: Simplify right side
    52,042.07x = 983,529,010.29
  5. Step 5: Solve for x
    x = 983,529,010.29/52,042.07
  6. Step 6: Final answer
    x = 18,898.73

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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.