Home / 102,391.06-153,655.76-35,831.77

Finding the Fourth Proportional to 102,391.06, 153,655.76 and 35,831.77

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Solution

The fourth proportional to 102,391.06, 153,655.76 and 35,831.77 is: 53,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,391.06 : 153,655.76 = 35,831.77 : x
  2. Step 2: Convert to fraction form
    102,391.06/153,655.76 = 35,831.77/x
  3. Step 3: Cross multiply
    102,391.06x = 153,655.76 × 35,831.77
  4. Step 4: Simplify right side
    102,391.06x = 5,505,757,456.16
  5. Step 5: Solve for x
    x = 5,505,757,456.16/102,391.06
  6. Step 6: Final answer
    x = 53,771.86

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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.