Home / 70,967.38-97,930.51-40,731.42

Finding the Fourth Proportional to 70,967.38, 97,930.51 and 40,731.42

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Solution

The fourth proportional to 70,967.38, 97,930.51 and 40,731.42 is: 56,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,967.38 : 97,930.51 = 40,731.42 : x
  2. Step 2: Convert to fraction form
    70,967.38/97,930.51 = 40,731.42/x
  3. Step 3: Cross multiply
    70,967.38x = 97,930.51 × 40,731.42
  4. Step 4: Simplify right side
    70,967.38x = 3,988,848,733.62
  5. Step 5: Solve for x
    x = 3,988,848,733.62/70,967.38
  6. Step 6: Final answer
    x = 56,206.79

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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.