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Finding the Fourth Proportional to 70,762.26, 97,649.55 and 38,930.88

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Solution

The fourth proportional to 70,762.26, 97,649.55 and 38,930.88 is: 53,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,762.26 : 97,649.55 = 38,930.88 : x
  2. Step 2: Convert to fraction form
    70,762.26/97,649.55 = 38,930.88/x
  3. Step 3: Cross multiply
    70,762.26x = 97,649.55 × 38,930.88
  4. Step 4: Simplify right side
    70,762.26x = 3,801,582,913.10
  5. Step 5: Solve for x
    x = 3,801,582,913.10/70,762.26
  6. Step 6: Final answer
    x = 53,723.31

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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.