Home / 126,066.55-189,122.30-41,831.77

Finding the Fourth Proportional to 126,066.55, 189,122.30 and 41,831.77

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Solution

The fourth proportional to 126,066.55, 189,122.30 and 41,831.77 is: 62,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066.55 : 189,122.30 = 41,831.77 : x
  2. Step 2: Convert to fraction form
    126,066.55/189,122.30 = 41,831.77/x
  3. Step 3: Cross multiply
    126,066.55x = 189,122.30 × 41,831.77
  4. Step 4: Simplify right side
    126,066.55x = 7,911,320,555.47
  5. Step 5: Solve for x
    x = 7,911,320,555.47/126,066.55
  6. Step 6: Final answer
    x = 62,755.11

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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.