Home / 73,865.79-110,788.21-42,172.97

Finding the Fourth Proportional to 73,865.79, 110,788.21 and 42,172.97

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Solution

The fourth proportional to 73,865.79, 110,788.21 and 42,172.97 is: 63,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.79 : 110,788.21 = 42,172.97 : x
  2. Step 2: Convert to fraction form
    73,865.79/110,788.21 = 42,172.97/x
  3. Step 3: Cross multiply
    73,865.79x = 110,788.21 × 42,172.97
  4. Step 4: Simplify right side
    73,865.79x = 4,672,267,741.42
  5. Step 5: Solve for x
    x = 4,672,267,741.42/73,865.79
  6. Step 6: Final answer
    x = 63,253.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.