Home / 102,100.10-153,150.21-31,984.88

Finding the Fourth Proportional to 102,100.10, 153,150.21 and 31,984.88

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Solution

The fourth proportional to 102,100.10, 153,150.21 and 31,984.88 is: 47,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,100.10 : 153,150.21 = 31,984.88 : x
  2. Step 2: Convert to fraction form
    102,100.10/153,150.21 = 31,984.88/x
  3. Step 3: Cross multiply
    102,100.10x = 153,150.21 × 31,984.88
  4. Step 4: Simplify right side
    102,100.10x = 4,898,490,323.07
  5. Step 5: Solve for x
    x = 4,898,490,323.07/102,100.10
  6. Step 6: Final answer
    x = 47,977.33

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