Home / 121,086.48-181,636.54-36,849.38

Finding the Fourth Proportional to 121,086.48, 181,636.54 and 36,849.38

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Solution

The fourth proportional to 121,086.48, 181,636.54 and 36,849.38 is: 55,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,086.48 : 181,636.54 = 36,849.38 : x
  2. Step 2: Convert to fraction form
    121,086.48/181,636.54 = 36,849.38/x
  3. Step 3: Cross multiply
    121,086.48x = 181,636.54 × 36,849.38
  4. Step 4: Simplify right side
    121,086.48x = 6,693,193,884.35
  5. Step 5: Solve for x
    x = 6,693,193,884.35/121,086.48
  6. Step 6: Final answer
    x = 55,276.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.