Home / 116,942.90-161,381.16-63,227.93

Finding the Fourth Proportional to 116,942.90, 161,381.16 and 63,227.93

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Solution

The fourth proportional to 116,942.90, 161,381.16 and 63,227.93 is: 87,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,942.90 : 161,381.16 = 63,227.93 : x
  2. Step 2: Convert to fraction form
    116,942.90/161,381.16 = 63,227.93/x
  3. Step 3: Cross multiply
    116,942.90x = 161,381.16 × 63,227.93
  4. Step 4: Simplify right side
    116,942.90x = 10,203,795,880.89
  5. Step 5: Solve for x
    x = 10,203,795,880.89/116,942.90
  6. Step 6: Final answer
    x = 87,254.52

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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.