Home / 117,706.14-176,636.94-55,381.50

Finding the Fourth Proportional to 117,706.14, 176,636.94 and 55,381.50

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Solution

The fourth proportional to 117,706.14, 176,636.94 and 55,381.50 is: 83,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.14 : 176,636.94 = 55,381.50 : x
  2. Step 2: Convert to fraction form
    117,706.14/176,636.94 = 55,381.50/x
  3. Step 3: Cross multiply
    117,706.14x = 176,636.94 × 55,381.50
  4. Step 4: Simplify right side
    117,706.14x = 9,782,418,692.61
  5. Step 5: Solve for x
    x = 9,782,418,692.61/117,706.14
  6. Step 6: Final answer
    x = 83,108.82

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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.