Home / 113,976.18-170,859.74-43,802.64

Finding the Fourth Proportional to 113,976.18, 170,859.74 and 43,802.64

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Solution

The fourth proportional to 113,976.18, 170,859.74 and 43,802.64 is: 65,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,976.18 : 170,859.74 = 43,802.64 : x
  2. Step 2: Convert to fraction form
    113,976.18/170,859.74 = 43,802.64/x
  3. Step 3: Cross multiply
    113,976.18x = 170,859.74 × 43,802.64
  4. Step 4: Simplify right side
    113,976.18x = 7,484,107,462.70
  5. Step 5: Solve for x
    x = 7,484,107,462.70/113,976.18
  6. Step 6: Final answer
    x = 65,663.79

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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.