Home / 117,032.46-161,504.62-63,317.30

Finding the Fourth Proportional to 117,032.46, 161,504.62 and 63,317.30

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Solution

The fourth proportional to 117,032.46, 161,504.62 and 63,317.30 is: 87,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,032.46 : 161,504.62 = 63,317.30 : x
  2. Step 2: Convert to fraction form
    117,032.46/161,504.62 = 63,317.30/x
  3. Step 3: Cross multiply
    117,032.46x = 161,504.62 × 63,317.30
  4. Step 4: Simplify right side
    117,032.46x = 10,226,036,475.93
  5. Step 5: Solve for x
    x = 10,226,036,475.93/117,032.46
  6. Step 6: Final answer
    x = 87,377.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.