Home / 116,765.04-161,143.95-66,464.04

Finding the Fourth Proportional to 116,765.04, 161,143.95 and 66,464.04

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Solution

The fourth proportional to 116,765.04, 161,143.95 and 66,464.04 is: 91,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,765.04 : 161,143.95 = 66,464.04 : x
  2. Step 2: Convert to fraction form
    116,765.04/161,143.95 = 66,464.04/x
  3. Step 3: Cross multiply
    116,765.04x = 161,143.95 × 66,464.04
  4. Step 4: Simplify right side
    116,765.04x = 10,710,277,938.56
  5. Step 5: Solve for x
    x = 10,710,277,938.56/116,765.04
  6. Step 6: Final answer
    x = 91,725.04

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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.