Home / 70,822.96-97,734.30-38,992.39

Finding the Fourth Proportional to 70,822.96, 97,734.30 and 38,992.39

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Solution

The fourth proportional to 70,822.96, 97,734.30 and 38,992.39 is: 53,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,822.96 : 97,734.30 = 38,992.39 : x
  2. Step 2: Convert to fraction form
    70,822.96/97,734.30 = 38,992.39/x
  3. Step 3: Cross multiply
    70,822.96x = 97,734.30 × 38,992.39
  4. Step 4: Simplify right side
    70,822.96x = 3,810,893,551.42
  5. Step 5: Solve for x
    x = 3,810,893,551.42/70,822.96
  6. Step 6: Final answer
    x = 53,808.73

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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.