Home / 117,693.36-176,484.54-42,760.66

Finding the Fourth Proportional to 117,693.36, 176,484.54 and 42,760.66

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Solution

The fourth proportional to 117,693.36, 176,484.54 and 42,760.66 is: 64,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,693.36 : 176,484.54 = 42,760.66 : x
  2. Step 2: Convert to fraction form
    117,693.36/176,484.54 = 42,760.66/x
  3. Step 3: Cross multiply
    117,693.36x = 176,484.54 × 42,760.66
  4. Step 4: Simplify right side
    117,693.36x = 7,546,595,410.20
  5. Step 5: Solve for x
    x = 7,546,595,410.20/117,693.36
  6. Step 6: Final answer
    x = 64,120.83

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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.