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Finding the Fourth Proportional to 70,135.10, 96,786.31 and 38,303.99

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Solution

The fourth proportional to 70,135.10, 96,786.31 and 38,303.99 is: 52,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.10 : 96,786.31 = 38,303.99 : x
  2. Step 2: Convert to fraction form
    70,135.10/96,786.31 = 38,303.99/x
  3. Step 3: Cross multiply
    70,135.10x = 96,786.31 × 38,303.99
  4. Step 4: Simplify right side
    70,135.10x = 3,707,301,705.45
  5. Step 5: Solve for x
    x = 3,707,301,705.45/70,135.10
  6. Step 6: Final answer
    x = 52,859.44

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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.