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Finding the Fourth Proportional to 70,035.50, 96,649.54 and 38,203.72

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Solution

The fourth proportional to 70,035.50, 96,649.54 and 38,203.72 is: 52,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,035.50 : 96,649.54 = 38,203.72 : x
  2. Step 2: Convert to fraction form
    70,035.50/96,649.54 = 38,203.72/x
  3. Step 3: Cross multiply
    70,035.50x = 96,649.54 × 38,203.72
  4. Step 4: Simplify right side
    70,035.50x = 3,692,371,627.16
  5. Step 5: Solve for x
    x = 3,692,371,627.16/70,035.50
  6. Step 6: Final answer
    x = 52,721.43

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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.