Home / 117,539.46-176,379.21-42,665.43

Finding the Fourth Proportional to 117,539.46, 176,379.21 and 42,665.43

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Solution

The fourth proportional to 117,539.46, 176,379.21 and 42,665.43 is: 64,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,539.46 : 176,379.21 = 42,665.43 : x
  2. Step 2: Convert to fraction form
    117,539.46/176,379.21 = 42,665.43/x
  3. Step 3: Cross multiply
    117,539.46x = 176,379.21 × 42,665.43
  4. Step 4: Simplify right side
    117,539.46x = 7,525,294,837.71
  5. Step 5: Solve for x
    x = 7,525,294,837.71/117,539.46
  6. Step 6: Final answer
    x = 64,023.56

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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.