Home / 70,133.31-96,719.86-54,821.88

Finding the Fourth Proportional to 70,133.31, 96,719.86 and 54,821.88

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Solution

The fourth proportional to 70,133.31, 96,719.86 and 54,821.88 is: 75,604.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,133.31 : 96,719.86 = 54,821.88 : x
  2. Step 2: Convert to fraction form
    70,133.31/96,719.86 = 54,821.88/x
  3. Step 3: Cross multiply
    70,133.31x = 96,719.86 × 54,821.88
  4. Step 4: Simplify right side
    70,133.31x = 5,302,364,558.54
  5. Step 5: Solve for x
    x = 5,302,364,558.54/70,133.31
  6. Step 6: Final answer
    x = 75,604.08

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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.