Home / 111,324.24-153,634.93-62,909.39

Finding the Fourth Proportional to 111,324.24, 153,634.93 and 62,909.39

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Solution

The fourth proportional to 111,324.24, 153,634.93 and 62,909.39 is: 86,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,324.24 : 153,634.93 = 62,909.39 : x
  2. Step 2: Convert to fraction form
    111,324.24/153,634.93 = 62,909.39/x
  3. Step 3: Cross multiply
    111,324.24x = 153,634.93 × 62,909.39
  4. Step 4: Simplify right side
    111,324.24x = 9,665,079,955.81
  5. Step 5: Solve for x
    x = 9,665,079,955.81/111,324.24
  6. Step 6: Final answer
    x = 86,819.19

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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.