Home / 116,984.34-161,454.33-71,664.84

Finding the Fourth Proportional to 116,984.34, 161,454.33 and 71,664.84

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Solution

The fourth proportional to 116,984.34, 161,454.33 and 71,664.84 is: 98,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,984.34 : 161,454.33 = 71,664.84 : x
  2. Step 2: Convert to fraction form
    116,984.34/161,454.33 = 71,664.84/x
  3. Step 3: Cross multiply
    116,984.34x = 161,454.33 × 71,664.84
  4. Step 4: Simplify right side
    116,984.34x = 11,570,598,726.76
  5. Step 5: Solve for x
    x = 11,570,598,726.76/116,984.34
  6. Step 6: Final answer
    x = 98,907.24

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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.