Home / 71,831.56-99,127.55-41,634.39

Finding the Fourth Proportional to 71,831.56, 99,127.55 and 41,634.39

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Solution

The fourth proportional to 71,831.56, 99,127.55 and 41,634.39 is: 57,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,831.56 : 99,127.55 = 41,634.39 : x
  2. Step 2: Convert to fraction form
    71,831.56/99,127.55 = 41,634.39/x
  3. Step 3: Cross multiply
    71,831.56x = 99,127.55 × 41,634.39
  4. Step 4: Simplify right side
    71,831.56x = 4,127,114,868.27
  5. Step 5: Solve for x
    x = 4,127,114,868.27/71,831.56
  6. Step 6: Final answer
    x = 57,455.46

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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.