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Finding the Fourth Proportional to 70,447.25, 97,227.15 and 43,598.41

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Solution

The fourth proportional to 70,447.25, 97,227.15 and 43,598.41 is: 60,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447.25 : 97,227.15 = 43,598.41 : x
  2. Step 2: Convert to fraction form
    70,447.25/97,227.15 = 43,598.41/x
  3. Step 3: Cross multiply
    70,447.25x = 97,227.15 × 43,598.41
  4. Step 4: Simplify right side
    70,447.25x = 4,238,949,148.83
  5. Step 5: Solve for x
    x = 4,238,949,148.83/70,447.25
  6. Step 6: Final answer
    x = 60,171.96

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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.