Home / 61,981.07-85,553.24-36,485.46

Finding the Fourth Proportional to 61,981.07, 85,553.24 and 36,485.46

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Solution

The fourth proportional to 61,981.07, 85,553.24 and 36,485.46 is: 50,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,981.07 : 85,553.24 = 36,485.46 : x
  2. Step 2: Convert to fraction form
    61,981.07/85,553.24 = 36,485.46/x
  3. Step 3: Cross multiply
    61,981.07x = 85,553.24 × 36,485.46
  4. Step 4: Simplify right side
    61,981.07x = 3,121,449,133.46
  5. Step 5: Solve for x
    x = 3,121,449,133.46/61,981.07
  6. Step 6: Final answer
    x = 50,361.33

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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.