Home / 117,107.60-175,553.76-42,209.41

Finding the Fourth Proportional to 117,107.60, 175,553.76 and 42,209.41

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Solution

The fourth proportional to 117,107.60, 175,553.76 and 42,209.41 is: 63,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,107.60 : 175,553.76 = 42,209.41 : x
  2. Step 2: Convert to fraction form
    117,107.60/175,553.76 = 42,209.41/x
  3. Step 3: Cross multiply
    117,107.60x = 175,553.76 × 42,209.41
  4. Step 4: Simplify right side
    117,107.60x = 7,410,020,773.18
  5. Step 5: Solve for x
    x = 7,410,020,773.18/117,107.60
  6. Step 6: Final answer
    x = 63,275.32

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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.