Home / 117,701.17-176,315.37-54,432.61

Finding the Fourth Proportional to 117,701.17, 176,315.37 and 54,432.61

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Solution

The fourth proportional to 117,701.17, 176,315.37 and 54,432.61 is: 81,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,701.17 : 176,315.37 = 54,432.61 : x
  2. Step 2: Convert to fraction form
    117,701.17/176,315.37 = 54,432.61/x
  3. Step 3: Cross multiply
    117,701.17x = 176,315.37 × 54,432.61
  4. Step 4: Simplify right side
    117,701.17x = 9,597,305,772.22
  5. Step 5: Solve for x
    x = 9,597,305,772.22/117,701.17
  6. Step 6: Final answer
    x = 81,539.60

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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.