Home / 111,955.22-154,501.24-63,556.04

Finding the Fourth Proportional to 111,955.22, 154,501.24 and 63,556.04

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Solution

The fourth proportional to 111,955.22, 154,501.24 and 63,556.04 is: 87,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,955.22 : 154,501.24 = 63,556.04 : x
  2. Step 2: Convert to fraction form
    111,955.22/154,501.24 = 63,556.04/x
  3. Step 3: Cross multiply
    111,955.22x = 154,501.24 × 63,556.04
  4. Step 4: Simplify right side
    111,955.22x = 9,819,486,989.49
  5. Step 5: Solve for x
    x = 9,819,486,989.49/111,955.22
  6. Step 6: Final answer
    x = 87,709.06

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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.