Home / 116,957.07-161,400.63-63,241.95

Finding the Fourth Proportional to 116,957.07, 161,400.63 and 63,241.95

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Solution

The fourth proportional to 116,957.07, 161,400.63 and 63,241.95 is: 87,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,957.07 : 161,400.63 = 63,241.95 : x
  2. Step 2: Convert to fraction form
    116,957.07/161,400.63 = 63,241.95/x
  3. Step 3: Cross multiply
    116,957.07x = 161,400.63 × 63,241.95
  4. Step 4: Simplify right side
    116,957.07x = 10,207,290,572.43
  5. Step 5: Solve for x
    x = 10,207,290,572.43/116,957.07
  6. Step 6: Final answer
    x = 87,273.82

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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.