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Finding the Fourth Proportional to 70,580.23, 97,400.78 and 38,314.82

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Solution

The fourth proportional to 70,580.23, 97,400.78 and 38,314.82 is: 52,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580.23 : 97,400.78 = 38,314.82 : x
  2. Step 2: Convert to fraction form
    70,580.23/97,400.78 = 38,314.82/x
  3. Step 3: Cross multiply
    70,580.23x = 97,400.78 × 38,314.82
  4. Step 4: Simplify right side
    70,580.23x = 3,731,893,353.56
  5. Step 5: Solve for x
    x = 3,731,893,353.56/70,580.23
  6. Step 6: Final answer
    x = 52,874.49

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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.