Home / 121,732.64-182,628.48-38,627.36

Finding the Fourth Proportional to 121,732.64, 182,628.48 and 38,627.36

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Solution

The fourth proportional to 121,732.64, 182,628.48 and 38,627.36 is: 57,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,732.64 : 182,628.48 = 38,627.36 : x
  2. Step 2: Convert to fraction form
    121,732.64/182,628.48 = 38,627.36/x
  3. Step 3: Cross multiply
    121,732.64x = 182,628.48 × 38,627.36
  4. Step 4: Simplify right side
    121,732.64x = 7,054,456,043.21
  5. Step 5: Solve for x
    x = 7,054,456,043.21/121,732.64
  6. Step 6: Final answer
    x = 57,950.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.