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Finding the Fourth Proportional to 77,573.39, 107,045.66 and 43,580.12

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Solution

The fourth proportional to 77,573.39, 107,045.66 and 43,580.12 is: 60,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573.39 : 107,045.66 = 43,580.12 : x
  2. Step 2: Convert to fraction form
    77,573.39/107,045.66 = 43,580.12/x
  3. Step 3: Cross multiply
    77,573.39x = 107,045.66 × 43,580.12
  4. Step 4: Simplify right side
    77,573.39x = 4,665,061,955.15
  5. Step 5: Solve for x
    x = 4,665,061,955.15/77,573.39
  6. Step 6: Final answer
    x = 60,137.40

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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.