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Finding the Fourth Proportional to 70,712.13, 97,585.25 and 38,883.45

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Solution

The fourth proportional to 70,712.13, 97,585.25 and 38,883.45 is: 53,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,712.13 : 97,585.25 = 38,883.45 : x
  2. Step 2: Convert to fraction form
    70,712.13/97,585.25 = 38,883.45/x
  3. Step 3: Cross multiply
    70,712.13x = 97,585.25 × 38,883.45
  4. Step 4: Simplify right side
    70,712.13x = 3,794,450,994.70
  5. Step 5: Solve for x
    x = 3,794,450,994.70/70,712.13
  6. Step 6: Final answer
    x = 53,660.54

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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.