Home / 70,815.88-97,725.54-38,983.96

Finding the Fourth Proportional to 70,815.88, 97,725.54 and 38,983.96

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Solution

The fourth proportional to 70,815.88, 97,725.54 and 38,983.96 is: 53,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.88 : 97,725.54 = 38,983.96 : x
  2. Step 2: Convert to fraction form
    70,815.88/97,725.54 = 38,983.96/x
  3. Step 3: Cross multiply
    70,815.88x = 97,725.54 × 38,983.96
  4. Step 4: Simplify right side
    70,815.88x = 3,809,728,542.34
  5. Step 5: Solve for x
    x = 3,809,728,542.34/70,815.88
  6. Step 6: Final answer
    x = 53,797.66

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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.