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Finding the Fourth Proportional to 70,723.76, 97,596.07 and 38,890.76

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Solution

The fourth proportional to 70,723.76, 97,596.07 and 38,890.76 is: 53,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723.76 : 97,596.07 = 38,890.76 : x
  2. Step 2: Convert to fraction form
    70,723.76/97,596.07 = 38,890.76/x
  3. Step 3: Cross multiply
    70,723.76x = 97,596.07 × 38,890.76
  4. Step 4: Simplify right side
    70,723.76x = 3,795,584,750.11
  5. Step 5: Solve for x
    x = 3,795,584,750.11/70,723.76
  6. Step 6: Final answer
    x = 53,667.75

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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.