Home / 117,995.72-177,032.46-43,138.76

Finding the Fourth Proportional to 117,995.72, 177,032.46 and 43,138.76

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Solution

The fourth proportional to 117,995.72, 177,032.46 and 43,138.76 is: 64,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,995.72 : 177,032.46 = 43,138.76 : x
  2. Step 2: Convert to fraction form
    117,995.72/177,032.46 = 43,138.76/x
  3. Step 3: Cross multiply
    117,995.72x = 177,032.46 × 43,138.76
  4. Step 4: Simplify right side
    117,995.72x = 7,636,960,804.15
  5. Step 5: Solve for x
    x = 7,636,960,804.15/117,995.72
  6. Step 6: Final answer
    x = 64,722.35

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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.