Home / 117,721.24-176,577.95-51,161.45

Finding the Fourth Proportional to 117,721.24, 176,577.95 and 51,161.45

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Solution

The fourth proportional to 117,721.24, 176,577.95 and 51,161.45 is: 76,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,721.24 : 176,577.95 = 51,161.45 : x
  2. Step 2: Convert to fraction form
    117,721.24/176,577.95 = 51,161.45/x
  3. Step 3: Cross multiply
    117,721.24x = 176,577.95 × 51,161.45
  4. Step 4: Simplify right side
    117,721.24x = 9,033,983,205.04
  5. Step 5: Solve for x
    x = 9,033,983,205.04/117,721.24
  6. Step 6: Final answer
    x = 76,740.47

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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.