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Finding the Fourth Proportional to 70,709.17, 97,579.02 and 38,880.12

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Solution

The fourth proportional to 70,709.17, 97,579.02 and 38,880.12 is: 53,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,709.17 : 97,579.02 = 38,880.12 : x
  2. Step 2: Convert to fraction form
    70,709.17/97,579.02 = 38,880.12/x
  3. Step 3: Cross multiply
    70,709.17x = 97,579.02 × 38,880.12
  4. Step 4: Simplify right side
    70,709.17x = 3,793,883,324.79
  5. Step 5: Solve for x
    x = 3,793,883,324.79/70,709.17
  6. Step 6: Final answer
    x = 53,654.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.