Home / 117,636.24-176,410.20-42,737.88

Finding the Fourth Proportional to 117,636.24, 176,410.20 and 42,737.88

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Solution

The fourth proportional to 117,636.24, 176,410.20 and 42,737.88 is: 64,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636.24 : 176,410.20 = 42,737.88 : x
  2. Step 2: Convert to fraction form
    117,636.24/176,410.20 = 42,737.88/x
  3. Step 3: Cross multiply
    117,636.24x = 176,410.20 × 42,737.88
  4. Step 4: Simplify right side
    117,636.24x = 7,539,397,958.38
  5. Step 5: Solve for x
    x = 7,539,397,958.38/117,636.24
  6. Step 6: Final answer
    x = 64,090.78

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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.