Home / 117,664.60-176,458.98-38,760.04

Finding the Fourth Proportional to 117,664.60, 176,458.98 and 38,760.04

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Solution

The fourth proportional to 117,664.60, 176,458.98 and 38,760.04 is: 58,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,664.60 : 176,458.98 = 38,760.04 : x
  2. Step 2: Convert to fraction form
    117,664.60/176,458.98 = 38,760.04/x
  3. Step 3: Cross multiply
    117,664.60x = 176,458.98 × 38,760.04
  4. Step 4: Simplify right side
    117,664.60x = 6,839,557,123.16
  5. Step 5: Solve for x
    x = 6,839,557,123.16/117,664.60
  6. Step 6: Final answer
    x = 58,127.57

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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.