Home / 77,063.40-115,516.13-49,004.19

Finding the Fourth Proportional to 77,063.40, 115,516.13 and 49,004.19

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Solution

The fourth proportional to 77,063.40, 115,516.13 and 49,004.19 is: 73,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,063.40 : 115,516.13 = 49,004.19 : x
  2. Step 2: Convert to fraction form
    77,063.40/115,516.13 = 49,004.19/x
  3. Step 3: Cross multiply
    77,063.40x = 115,516.13 × 49,004.19
  4. Step 4: Simplify right side
    77,063.40x = 5,660,774,137.56
  5. Step 5: Solve for x
    x = 5,660,774,137.56/77,063.40
  6. Step 6: Final answer
    x = 73,456.07

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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.