Home / 77,166.40-115,795.62-34,468.48

Finding the Fourth Proportional to 77,166.40, 115,795.62 and 34,468.48

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Solution

The fourth proportional to 77,166.40, 115,795.62 and 34,468.48 is: 51,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,166.40 : 115,795.62 = 34,468.48 : x
  2. Step 2: Convert to fraction form
    77,166.40/115,795.62 = 34,468.48/x
  3. Step 3: Cross multiply
    77,166.40x = 115,795.62 × 34,468.48
  4. Step 4: Simplify right side
    77,166.40x = 3,991,299,012.06
  5. Step 5: Solve for x
    x = 3,991,299,012.06/77,166.40
  6. Step 6: Final answer
    x = 51,723.28

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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.