Home / 117,927.40-176,901.90-47,792.20

Finding the Fourth Proportional to 117,927.40, 176,901.90 and 47,792.20

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Solution

The fourth proportional to 117,927.40, 176,901.90 and 47,792.20 is: 71,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,927.40 : 176,901.90 = 47,792.20 : x
  2. Step 2: Convert to fraction form
    117,927.40/176,901.90 = 47,792.20/x
  3. Step 3: Cross multiply
    117,927.40x = 176,901.90 × 47,792.20
  4. Step 4: Simplify right side
    117,927.40x = 8,454,530,985.18
  5. Step 5: Solve for x
    x = 8,454,530,985.18/117,927.40
  6. Step 6: Final answer
    x = 71,692.68

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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.