Home / 70,665.72-97,518.38-40,450.88

Finding the Fourth Proportional to 70,665.72, 97,518.38 and 40,450.88

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Solution

The fourth proportional to 70,665.72, 97,518.38 and 40,450.88 is: 55,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,665.72 : 97,518.38 = 40,450.88 : x
  2. Step 2: Convert to fraction form
    70,665.72/97,518.38 = 40,450.88/x
  3. Step 3: Cross multiply
    70,665.72x = 97,518.38 × 40,450.88
  4. Step 4: Simplify right side
    70,665.72x = 3,944,703,597.33
  5. Step 5: Solve for x
    x = 3,944,703,597.33/70,665.72
  6. Step 6: Final answer
    x = 55,822.03

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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.